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单词 track
释义

track1

noun traktræk

  • 1A rough path or road, typically one beaten by use rather than constructed.

    （尤指踩踏出来而非铺设的）小道，小径

    follow the track to the farm

    顺着这条小道去农场。

    Example sentencesExamples
    • He would trace the paths of tracks and highways and railroads, and at night, while he lay waiting for sleep, he would recite the names of maps in his deep, soft voice.
    • The North Yorkshire Moors has numerous forest tracks and many minor roads and this, coupled with its fine scenery, make it arguably the best cycling area in the region.
    • I followed scars posing as roads and faded tracks not shown on any map yet drawn.
    • Forest paths, moorland tracks and riverside footpaths, with some short sections along quiet country lanes.
    • The Park offers the complete day out with an extensive range of waymarked paths, picnic areas, forest roads and tracks.
    • Fully equipped with a week's worth of rations, our progress from this city of contradictions leaves behind the tarmac road for rough tracks of sand and stone.
    • After a spooky tunnel we were out in the sunshine and on Long Lane, the first of three tracks, and a rather austere mile to start with.
    • The terrain throughout the run featured roads, and rougher pilgrim tracks through the mountains.
    • Take the shooters' track on the left that is resurfaced and curls round to head northeast.
    • Follow the track to a minor road and turn right to reach a main road.
    • Older people recall walking directly over the frozen snow from point to point rather than following the track of the road hidden beneath the snow.
    • The race - which has been run since 1519 - is run over four miles and covers fields, farm tracks and roads.
    • Walking the region's historic paths and forest tracks, you will come across vignerons so proud of their produce that they'll insist you sample each grape variety.
    • Leave the road and follow farm and forest tracks through the Garadhban Forest.
    • Mike has a love of rough tracks and we follow a number of them during the day, emerging at the end of one at a natural pool, formed by a tufa dam, in the midst of a gently-flowing creek.
    • Nowadays, most hill walkers climb Ben Ledi from the east, using a combination of hill tracks and forestry paths.
    • The race is run over 22 miles and takes competitors through open moorland and on farm tracks, footpaths and roads.
    • Accessible only by a dirt path which runs off a single track road, it's about as far from the heady glamour of Hollywood as you can imagine.
    • Descend through the forest where various tracks and paths take you to the B970 at Coylumbridge, two miles from Aviemore.
    • The acting team leader instigated a full team call-out, instructing team members to meet at the campsite before commencing a search of the forest tracks and paths.
    Synonyms
    path, pathway, footpath, lane, trail, route, way, course
    1. 1.1 A prepared course or circuit for athletes, horses, motor vehicles, bicycles, or dogs to race on.
      跑道，车道，赛道
      a Formula One Grand Prix track

      一级方程式汽车大奖赛的赛道。

      Example sentencesExamples
      • Extreme wind gusts forced the cancellation of live racing at the Maryland track after the third race on Saturday.
      • The October yearling sale will be held during the track's annual fall race meeting.
      • Three courses - Lingfield, Southwell and Wolverhampton - have all-weather tracks although no jump races are held there.
      • For second offenses, trainers will be prohibited from entering horses at the track for 15 days.
      • The sale was conducted in a tent on the Saratoga Race Course backstretch with sale horses stabled at the track.
      • He refused the offer because he had only been back at the track riding horses in the mornings for five days.
      • When we test, we also try to find the worst track conditions possible.
      • In addition to horse racing, the territory even has a greyhound track where sleek canines race a mechanical rabbit.
      • I like to call it beginner's luck and invoke the empirical evidence at horse racing tracks and Las Vegas casinos.
      • She beamed as she entered the stadium and finished her race as the lone athlete on the track.
      • Betting is currently allowed at official booths at dog and horse racing tracks, and some bookmakers are authorized to place odds on some sports events.
      • He said he prefers to buy horses to race at the tracks in the Northeast and looks for horses with good pedigrees for resale as stallion and broodmare prospects.
      • One of the provisions of the policy will make it feasible for out-of-state trainers to race horses in California when their home tracks are closed.
      • They're dedicated to promoting racing on the track rather than the street.
      • He and 50,000 inhabitants of the Italian town of Siena go wild twice a year when their town square is transformed into a horse track for a biennial race.
      • She has clear memories of the season her father bought her favourite race track.
      • The action came during Thursday's meeting of the Oklahoma Horse Racing Commission when all three of the state's tracks got racing days.
      • I was always better at the high speed stuff on tracks, rather than the road stuff.
      • But that doesn't mean you can't find affordable ways to get into race marketing at local tracks or through smaller circuits.
      • The tight, banked bends on indoor tracks mean a tall athlete with a long stride length will struggle in the 200m and 400m.
      Synonyms
      course, racecourse
      running track, racetrack, speedway, velodrome, piste
      British circuit
    2. 1.2mass noun The sport of running on a track.
      径赛运动
      the four running disciplines of track, road, country, and fell
      Example sentencesExamples
      • As a young man he excelled in all the major sports; baseball, basketball, football and track.
      • In high school my daughters were both involved in sports activities - cross country, basketball, and track.
      • My dad would take her fishing and get her involved in sports like track and basketball.
      • He had a really light build, perfect for track and swimming, which were his two favorite sports.
      • But mountain biking is an obscure cousin in the celebrity sports family of World Cup soccer and Olympic track.
      • Syrians also enjoying swimming, tennis, track meets, and ping-pong tournaments.
      • He is a GB Modern Pentathlete and 1500m northern track champion.
      • Some may say that track is an individual sport, I tend to disagree.
      • In our team, medals can come from anywhere: sprints, distance, track or field, male or female, individual or relay.
      • She started to sprint harder, just as she had done in for track.
      • Growing up, he loved sports, participating in track and basketball.
      • I think she might go on to be the biggest British track star of the next few years…
      • Wearing sports suits from China, prisoners competed in track and field, boxing and basketball.
      • In college baseball, tennis, track, golf, swimming and other campus sports, the machinery is smooth.
      • Not so many years ago I could proudly say that Richmond had the best soccer, track and other sports facilities in the Lower Mainland.
      • At an early age, Arnold became involved in a variety of sports, including soccer, track, boxing and swimming.
      • Number three on the sporting calendar was last Friday's primary school track meet.
      • Tomorrow was the track meet and her date, so she was a little excited.

  • 2usually tracksA mark or line of marks left by a person, animal, or vehicle in passing.

    足迹，踪迹，车辙

    he followed the tracks made by the cars in the snow

    他跟随着警车在雪上留下的痕迹。

    Example sentencesExamples
    • There may well not be any big game in view but there will always be birds, insects, flora and animal tracks to look at, discuss and interpret.
    • Field observations were verified using a field guide of animal tracks.
    • These had been removed with surgical precision and there were no tracks near the animal that would enable determining exactly what attacked it.
    • Deep tracks and skid marks were left on greens after the hooligans damaged them.
    • Theo murmured that these were animal tracks that we were following, not human, but I pushed on until we turned a corner and met a curved lip of eroded rock.
    • Animal tracks, such as those of this baby loggerhead turtle, are most easily seen in snow, mud, or sand.
    • Keep them interested by making snow angels or looking for animal tracks.
    • They stayed away from the trail, cutting across country, following animal tracks where they could to avoid unseen obstacles.
    • On a recent day, a raccoon's tracks mark the surf-soaked sand.
    • A great stride forward was made in recognising Aboriginal dreaming tracks, marking the journey of spiritual ancestors in central Australia.
    • Reading the tracks of a person - footprints or vehicle tracks - rarely aims at finding out where that someone is.
    • Animal tracks, illuminated by the moon's light, told of how various forms of wildlife frequented this place of tranquility.
    • These show footprints, burrows, tracks, or other marks made during the course of an organism's lifetime.
    • Inexperienced dogs tend to lose the trail and end up following other animal tracks.
    • Nearing the border, they left the tarmac of the main road and began to bounce across the rutted sand, following in the tracks of the vehicles which had already passed the same way.
    • It's hard to see, but there are some animal tracks in the picture.
    • We see animal and bird tracks similarly marked, animals and birds themselves, often in outline, infilled, or as stick figures.
    • But soon, they realized that the matted snow on these popular roads hid their tracks better than did the more subtle paths.
    • On the ceiling of the cave, animal tracks can be seen, and there are fossils of many marine creatures - plus a bird fossil which looks like a chicken.
    • The footprints of tribes - and neighbouring animals - cut tracks in the vegetation and the soil.
    Synonyms
    traces, marks, impressions, prints, imprints
    footprints, footmarks, footsteps, trail, spoor
    scent
    wake, slipstream
    1. 2.1 The course or route followed by someone or something (used especially in talking about their pursuit by others)
      （被跟踪的）路线
      I didn't want them on my track

      我不想有俄国人跟踪我。

      Example sentencesExamples
      • Start the new season with the right foot by checking out the stylish shoes that'll make all the ladies want to follow your tracks.
      • I follow his tracks, cursing and grumbling: Where does he think he's going in this weather?
      • Follow the tracks of past users through China, Italy, Major League Baseball.
      • What I didn't know was that the groom had followed my tracks.
      • Most of the characters follow such tracks, nonetheless, hoping to find solace away from Rivière au Sel.
      • And, even if I can't follow his peripatetic tracks around the globe, I can enjoy his travels vicariously.
      • Complications began to arise as he followed her tracks.
      • I followed his tracks for weeks, but he was always one step ahead of me.
      Synonyms
      course, path, line, orbit, route, way, trajectory, flight path
    2. 2.2 A course of action or line of thought.
      〈喻〉行动方针；行为方式
      in terms of social arrangements, you are not too far off the track
      Example sentencesExamples
      • They are different tracks, and people should stop using that talking point.
      • And if you have a combination of players, different tracks will develop.
      • In recent decades, marching band traditions in the United States have evolved along decidedly different cultural tracks.
      • They are hard grafters, but from very different tracks.
      • Fluency was the ability to generate several ideas on the same track, flexibility involved being able to produce ideas on several different tracks.
      • The two painters went on very different tracks afterward.
      • Even as both prepare to move into different tracks, it is evident that their involvement with the feminist movement and publishing are their foremost passions.
      • That first weekend grew into a long-distance friendship that continued while the two spent the next few years on different tracks.
      • Unfortunately my mouth and mind are often on different tracks.
      • I had said plenty of impulsive and strange things before, and had suggested many many different career tracks, but I had never said this before.
      • In Western Europe, the defence and revision of the myths have run along different tracks.
      • We're definitely concerned, but hopeful and optimistic that everything finally will go along the right track.
      • The two campaigns are likely to run along parallel tracks.

  • 3A continuous line of rails on a railway.

    铁路轨道，线路

    commuters had to leave trains to walk along the tracks
    mass noun 130 kilometres of track
    Example sentencesExamples
    • Turn right immediately after the railway tracks into Depot Square.
    • Ellen and her daughter would return home the way they had come, by following the railroad track.
    • He tried to prove that the rotation of the Earth puts pressure on the same rail of a straight track of a railway irrespective of the direction of travel.
    • The train suddenly increased speed and jumped the tracks after leaving Waterfall railway station, about 40 kilometres south of Sydney.
    • Then suddenly we were not on the train anymore but were walking along the railway track itself.
    • The issue of continuous-welded railway tracks has been involved in arguments about buckling.
    • Why it was sent over the Hudson River bridge onto the single track main line I don't know.
    • Her model could be used to keep railway tracks in stations clean.
    • Construction on the first section of light rail tracks will begin next month.
    • Until Beeching there was a twin track railway line along here.
    • He was with me while we walked along railway tracks and picked up empty cigarette packets, which I collected.
    • Houses and flats have been built where the railway tracks were laid in the 1860s.
    • After the invention of the electrical telegraph in 1839, telegraph lines were laid alongside all the major railway tracks.
    • At the meeting, it was stated that there would be a further inspection of the carriages, locomotives and railway tracks.
    • However, if we look down a long stretch of straight parallel lines, such as a pair of railway tracks, they appear to meet.
    • However, because Arrow trains require a different gauge track, a new line needs to be put down.
    • And it would not be affected by problems that can paralyse present railway tracks, like leaves on the line and wear and tear.
    • Motorists watched in amazement as a 30 ft fountain of water caused an explosion on the electricity lines above a railway track.
    • At the westernmost end was the old swing gate that covered the railway tracks coming into the harbour.
    • Years ago railway tracks would run along this path.
    Synonyms
    rail, line
    railway line, tramlines
    metal
    North American railroad
    1. 3.1 A metal or plastic strip or rail along which a curtain or spotlight may be moved.
      窗帘轨；活动投射灯的滑轨
      Example sentencesExamples
      • She hopes the hook appeals to curtain rail and track manufacturers and the general public alike.
      • If necessary, remove the horizontal top trim boards alongside the track, using the same method
      • The platform was placed on wheels, which were free to move along a level metal track.
      • Spotlights move in a track that's mounted diagonally, following the angle of the stairs overhead.
      • The doors are so light a child can push them open or closed, and their slim, custom metal tracks make conventional sliders look prehistorically heavy.
      • The room I'm in is full of shelves on tracks - you move them to get between them and get files out.
      • Wax curtain rods and tracks before hanging curtains, as this will help them slide more easily.
      • Lights scattered across the ceiling or a track of spotlights enable other areas of the room to be lit up, but a more exciting modern alternative is the multi-arm ceiling light.
    2. 3.2Sailing A strip on the mast, boom, or floor of a yacht along which a slide attached to a sail can be moved, used to adjust the position of the sail.
      〔航海〕（校正风帆位置的）滑条
      Example sentencesExamples
      • The recent damage to the track on the mast where the mainsail is attached is the main focus of her concern, with some tough miles still to come.

  • 4A recording of one song or piece of music.

    the CD contains early Elvis Presley tracks

    这张光盘包括了埃尔维斯·普雷斯利的早期歌曲。

    Example sentencesExamples
    • Yes, but it's that awful bonus track recorded in 1991.
    • The opening title track features a winning riff, ringing true through the international language of static and feedback.
    • Sounding at times like a drunken pop song, the title track is in fact an exhilaratingly happy and twisted piece of work.
    • The next song, the title track, melds another downtempo beat with a gentle guitar melody.
    • Starting the disc is a commentary track by the director and a few other production members.
    • However, most of the time, these unreleased tracks have no redeeming value whatsoever.
    • There are 17 tracks on this CD, and music from 14 movies.
    • The song is the title track from the 1984 album.
    • You can flesh out the rest after you've downloaded this lead-off track from the band's upcoming debut full-length.
    • First albums are often collections of tracks recorded over a long period of time.
    • The many stand-out tracks on this album make it a favorite of most fans.
    • We will be going into the recording studio soon to record some new tracks.
    • Two previously unreleased tracks are included on this collection, but it's the earlier work that will get you.
    • Some of the b-sides stood up better than the tracks on the record.
    • Note that there is a bonus audio commentary track with Peter, Graeme, and Nicola.
    • The singer was used to arriving at a studio to find the backing tracks already recorded.
    • They composed the songs, recorded the tracks, edited the music and did all the audio engineering work necessary.
    • Although it was not the first track recorded, it proved determinant in how this album would sound.
    • Sadly, two of my favorite songs are bonus tracks and were released well over a year ago.
    • Last time out, I discovered a cheap way to do a re-mix, or record an extra track overdubbed onto your music.
    Synonyms
    song, recording, number, piece
    1. 4.1 A lengthwise strip of magnetic tape containing one sequence of signals.
      磁带音轨
      Example sentencesExamples
      • High track density magnetic media with pitted optical servo tracks and method for stamping the tracks on the media.
      • Multiple digital read channels may be used to read multiple tracks of an optical disk simultaneously.
      • A recording surface is segmented into a plurality of radial zones each containing a plurality of concentric tracks on which data may be recorded.
    2. 4.2 The soundtrack of a film or video.
      电影（或录像）的声迹
      Example sentencesExamples
      • This is an apt track for the film, as it didn't really require a full-blown 5.1 remix.
      • The track for the film is mono, so you're getting about as good as you're gonna get with that kind of mix.
      • Every one of those discs features commentary tracks and video transfers that leave the big boys shaking in the dirt.
      • The mono audio track sounds like what it is.
      • The audio track is mono only, in keeping with the original theatrical release of the film.
      • Also included on this disc is a French mono track as well as English subtitles.
      • Each episode contains its stereo surround track with which it is broadcast.
      • Then again, are you really complaining that loudly about the lack of a commentary track for this film?
      • On disc one you get the feature film and commentary tracks.
      • I really hate it when you can't select between audio tracks during the film.
      • It sounds fine for a mono track, but there is some hissing that indicates the film's age.
      • The movie itself is not an aggressive action film, but the audio track really shines.
      • Two commentary tracks supplement the film, one with the Director and members of the crew, the other with the director and members of the cast.
      • Like the man and his films, his commentary tracks are honest, informative, entertaining and sometimes blunt.
      • Thankfully, I didn't have to sit through commentary tracks or a production featurette.
      • All three tracks are totally serviceable, but the surround sound track sounds the best of the bunch by leaps and bounds.
      • This audio track turns the film into a real comedy instead of an unintended one.
      • The mono audio track has been spruced up, and hiss is almost entirely absent.
      • The video transfer is quite excellent and the audio track is almost as impressive.
      • I bet Jackie would be quite happy to chat about any of his films for a featurette or a commentary track!

  • 5A continuous articulated metal band around the wheels of a heavy vehicle such as a tank, intended to facilitate movement over rough or soft ground.

    （坦克、推土机的）履带

    Example sentencesExamples
    • Continuous rubber tracks have a metal infrastructure that is entirely embossed with a continuous rubber loop.
    • Yuri was standing by a small, remote controlled platform on tank tracks which supported a probe that resembled Sputnik.
    • He grew up under the old Communist system, in a blighted Czechoslovakia whose ambitions for independence had been crushed beneath Soviet tank tracks.
    • A vehicle equipped with band tracks will weigh about a ton less than a similar vehicle equipped with metal tracks, which will make it easier to transport by air.
    • He entered the circular chamber in a wheelchair, without wheels, instead, tracks like a tank, to push him along.
    • Rudolf could hear the metal of the wheels grind against the metal of the tracks.
    • Overall vehicle weight and flotation provided by the tracks regulate ground pressure.
    • Though other tracked vehicles can tear up soft terrain, our tracks steer much the same as a tire-equipped vehicle.
    • From the west and south, the elite Namal and Golani Brigades trundled forward, their tank tracks chewing up the sodden ground.
    1. 5.1Electronics A continuous line of copper or other conductive material on a printed circuit board, used to connect parts of a circuit.
      〔电子〕（印刷电路板的）印制线
      extremely thin tracks are not able to withstand much heat when soldering
      Example sentencesExamples
      • Woven into the jacket are electrically conductive fabric tracks which connect the chip module to a fabric keyboard and built-in speakers in the helmet.
      • We connect them together with wires or copper tracks to make circuits, but it's the components that do all the work.
      • After exhaustive testing they found that a long track in the circuit board had functioned as the antenna.
      • In addition, the printed circuit board comprises a flat flexible support on which the conductor tracks run from the stator to the rotor.

  • 6The transverse distance between a vehicle's wheels.

    （机动车辆轮胎的横向）轮距

    the undercarriage was fully retractable inwards into the wing, with a 90 inch track
    Example sentencesExamples
    • Several suggestions were made by Ford engineers to improve its stability, including widening the track width of the vehicle.
    • It also has a wider track by two inches, although the body width is not much different.
    • And there are wider wheels and a wider track, which combine to change the stance of the car.
    • The new car has a wider track and larger wheels, which set it off from the versions that have been sold since its launch four years ago.
    • The footprint of a vehicle will be calculated by multiplying its wheelbase by its track width.

  • 7US A group in which schoolchildren of the same age and ability are taught.

    British term stream (sense 4 of the noun)
    Example sentencesExamples
    • It illustrates the high price that pupils pay for being excluded from the academic track, even when they are some way down the ability distribution within their birth cohort.
    • Approximately half the pupils in this study were in a regular academic track, while the remaining subjects were in a slower track.
    • What should you consider when choosing a high school diploma track?
verb traktræk
[with object]

  • 1Follow the trail or movements of (someone or something), typically in order to find them or note their course.

    跟踪，追踪

    secondary radars that track the aircraft in flight

    跟踪飞行着的飞机的二次雷达。

    he tracked Anna to her room

    他跟踪安娜到了她房间。

    Example sentencesExamples
    • The radars picked up and tracked the pieces of the shuttle as they fell to Earth.
    • More and more, we are living in a society where we are all tracked automatically all of the time.
    • Not only do they help monitor traffic movement but also track suspicious characters.
    • Unlike satellite tracking devices, it measures light levels to estimate a bird's position.
    • We can refuse to remake our world in their image: a place of fear and mind control, where citizens are tracked and followed, where people are afraid to look or act different.
    • I tracked the trail right to the other party, but it took me a day to get there.
    • I want something that tracks my eye movement on screen, and a key combination which will jump the cursor to where I am looking.
    • The aircraft was based on Stealth technology, and is designed not be tracked by radar.
    • Even at its present speed, the flying saucer's progress was being tracked by another vessel following quietly behind.
    • They track the radar sweeps of drug surveillance planes to map out gaps in coverage.
    • Researchers have found a way to track people's mouse movements in a bid to see how they behave when using the Internet.
    • They tried to track the person from following the account my paychecks came from.
    • Step by step, cities like New York must now learn to watch and track everything that moves.
    • We can tell whether a consumer likes a pair of shoes by tracking their eye movement.
    • Matt said it is following us, tracking us somehow.
    • A trail of blood made tracking the gecko easier.
    • Alexander does it on foot, following meandering game trails and tracking the animals.
    • I'll spare the details of my weekend socializing - you can track my whereabouts by following the links.
    • The Norwegian Coastguard closely tracks the movements of dive boats and will probably board yours during your trip.
    Synonyms
    follow, trail, trace, pursue, shadow, stalk, dog, spoor, hunt (down), chase, hound, course, keep an eye on, keep in sight
    informal tail, keep tabs on, keep a tab on
    1. 1.1 Note the progress or course of.
      City have been tracking the striker since the summer

      自夏天起，伦敦城一直都在关注罢工者。

      Example sentencesExamples
      • The progress of various dust control initiatives can be tracked against these on-site measurements.
      • The agency has created a linked system that connects its careers service with school and social services so that an individual's progress can be tracked and mapped more efficiently.
      • In one study, researchers tracked the progress of 281 women enrolled in a smoking cessation program.
      • You can also find programs to monitor and track your child's online activity.
      • Writing down what you do removes all the guesswork and accurately tracks your progress.
    2. 1.2no object, with adverbial of direction Follow a particular course.
      沿着特定路线走
      the storm was tracking across the ground at 30 mph

      风暴以时速30英里横扫大地。

      Example sentencesExamples
      • We'll watch this storm as it tracks through the northeast.
      • It could be days, for all we know, as far as what the storm is tracking at this point.
      • The gallery is a short walk from campus - just follow the train tracks southbound.
      • The tropical storm is tracking toward the Gulf of Mexico.
    3. 1.3 (of a stylus) follow (a groove in a record)
      （唱针在唱片纹道中）移动
      the pickup's stylus must faithfully track undulations
      no object the DT1 tracks exceptionally well
    4. 1.4no object, with adverbial of direction (of a film or television camera) move in relation to the subject being filmed.
      （电影，电视摄影机）跟踪拍摄
      the camera eventually tracked away

      摄影机最终跟着（镜头）移开了。

      Example sentencesExamples
      • With cameras tracking their every intimate just- married moment, these newlyweds have the hottest reality show on TV.
      • In fact, the general rule is that the camera should always be moving… tracking, trailing or zooming.
      • The camera plays along, tracking sometimes the travel of the balloon, sometimes that of a person, sometimes lingering on an empty seat cushion until the balloon is placed there.
      • Suppose the camera is tracking in, following a bad guy's footsteps.
      • The camera slowly tracked across the hillside to where six small mounds of earth were covered with stones.
      • These entrapment images are supplemented by yet another cage metaphor, created on this occasion by the camera tracking the two men from behind the railings.
      • One participant is filmed against a blue screen while another controls a camera which tracks over a miniature of the staircase.
      • A line of description at the bottom of the last page that sends the camera slowly tracking back… so the audience can catch its breath gather its thoughts, and leave the cinema with dignity.
      • This camera only pans to the right, so if fights move to the left the camera has to track 360 degrees to catch up.
      • The camera tracked around them portentously as they sat at glowing laptops in a dimly-lit smoky room and, bit by bit, revealed the purported secret of Christie's success.
      • Move with your camera and take tracking or dollying shots.

  • 2no object (of wheels) run so that the back ones are exactly in the track of the front ones.

    （前后车轮）轨迹吻合地移动

    Example sentencesExamples
    • Oh my car has stopped oversteering after I got my wheels tracked.
    • I've just had my wheels tracked 'cause I thought that was the problem.
    • They balanced and tracked the wheels to no avail.

  • 3Electronics
    no object (of a tunable circuit or component) vary in frequency in the same way as another circuit or component, so that the frequency difference between them remains constant.

    〔电子〕统调

    Example sentencesExamples
    • The system will contain a more sophisticated heading sensor as well as more advanced tracking and stabilizing circuits.
    • For nearly four decades chips have tracked Moore's Law, doubling their transistor count every two years.

Phrases

  • in one's tracks

    • informal Where one or something is at that moment; suddenly.

      〈非正式〉就地，当场；突然

      Turner immediately stopped dead in his tracks

      特纳立即就地停住。

      Example sentencesExamples
      • Then she suddenly stopped in her tracks and went over to the window.
      • Suddenly, he stops in his tracks as if he is getting a message from the great beyond.
      • He suddenly stopped dead in his tracks with an extremely amused look on his face.
      • He suddenly stopped in his tracks and appeared to be staring at something in the yard.
      • Suddenly, I stopped in my tracks, causing some guy of roller blades behind me to serve and hit a rock on the pavement.
      • That was why the Janitor who pursued them earlier had halted so suddenly in his tracks.
      • That member should have been stopped in his tracks from the very moment he got to his feet.
      • Michael suddenly stopped dead in his tracks and looked has if he was about to faint.
      • Heavens above, I don't think that expression of view is going to sort of stop communications policy in its tracks.
      • While these campy interludes are good for a few laughs, after the first one they quickly become interminable and stop the film dead in its tracks.

  • keep (or lose) track of

    • Keep (or fail to keep) fully aware of or informed about.

      追踪（或失去）关于…的消息；（未能）一直了解（或关注）

      she had lost all track of time and had fallen asleep

      她完全不知道时间，并且已经入睡了。

      Example sentencesExamples
      • Watching the media and keeping track of what they think is important news.
      • This easy-to-use software keeps track of all your information and organizes it by categories and key words.
      • So you lose track of who's leading and who's following, and just do.
      • Records archive keeps track of exactly what time and date you unlocked secrets
      • As you're all well aware because you kept track of us all over the place, we searched on land, we searched in lakes, we searched in rivers.
      • That makes six since January, and I've lost track of how many since I started here last July.
      • Like Americans, who are well known for the super-size portions they serve at every meal, we are losing track of just how much food we consume - a problem known as ‘portion distortion’.
      • I know the people who did it, but I have lost track of what I promised not to reveal publicly, and so will shut up for now.
      • Plus of course billing information needs to be kept track of.
      • I have lost track of how many times I have testified on this bill, but I think this was the fifth.
      Synonyms
      monitor, follow, keep up with, record, keep a record of
      forget about, forget, be unaware of, cease contact with, lose contact with

  • make tracks (for)

    • informal Leave (for a place)

      〈非正式〉离开（去某地）

      I suppose I ought to be making tracks
      we made tracks for home
      Example sentencesExamples
      • It was time to make tracks, so we packed up camp and headed back to our depot at Seay Peak, arriving in the early afternoon after a pleasant and uneventful sledge journey.
      • With the British section of our Ontario travels finished, we decide to make tracks, but not before comparing the ski facilities in Vienna, Ontario with those of the more northerly Zurich, Ontario.
      • Filled with memories of things past, I made tracks to The Empire Diner on New Year's Day, and sat at the black lacquered bar allowing an ice-cube to melt lazily on my tongue.
      • This is an uplifting theatrical experience that is well worth making tracks for.
      • It is starting to get dark, and we make tracks back to the car, Sally accidentally performing a spectacular cartoon trip over an exposed branch on the way.
      • After our three days clearing roadblocks we packed up and made tracks to Nablus.
      • I prayed for the song to end, handed over a 20 and made tracks to the bar.
      • Meanwhile, anxious Americans unable to find a flu shot at home are making tracks north.
      • At about 9 p.m., when it was obvious that there wasn't going to be anything terribly stimulating going on, Shane and Junior started making tracks.
      • But next weekend the cartoon cats will leave the great outdoors and make tracks to the National Railway Museum.

  • on the right (or wrong) track

    • Following a course that is likely to result in success (or failure)

      循着正确（或错误）的路线

      we are on the right track for continued growth

      我们走的是持续增长的正确路线。

      Example sentencesExamples
      • 34% of the country think the government is on the wrong track.
      • It sounds as though your son is on the right track to becoming a successful bodybuilder.
      • If they approach it as a lock-them-up-and-throw-away-the-key, then they're on the wrong track.
      • 69 percent believe America is on the wrong track, with only 26 percent saying it's headed in the right direction.
      • That these women were on the wrong track and he was going to put them on the right track.
      • More impressive, though, than any fanatical power of endurance was his ability to see he was on the wrong track, admit he was mistaken and try a different course of action.
      • Dave, you've got the sound effects CD on the wrong track.
      • Today's figures also show that more of those who are likely to vote believe that the country is on the right track.
      • Victory in last weekend's European Cup final when he captained his country to a fifth success suggests he is on the right track.
      • Only the results will tell us if Labour is on the right track.

  • on track

    • Following a course that is likely to achieve what is required.

      在正道上；未离题（或目标）；正确

      formulas for keeping the economy on track

      保持经济正确发展的方案。

      Example sentencesExamples
      • The first is that the economy may be on track this year but the public finances are not.
      • If one patient runs late another will run early and the schedule should stay on track, more or less.
      • As soon as the chaos approaches, the monster rears its head and I'm back on track.
      • Her speech and development were also impaired but that is now back on track.
      • Back on track, County went on to score the decisive winning goal after forcing a series of corners.
      • From the outside it appears close to completion and certainly on track for a June completion date.
      • Sometimes you just need one result and a bit of luck to get back on track.
      • But a two-fold surge in the price of coal put the mining scheme back on track last year.
      • More fundamental are policies to get the economy on track so that there are jobs for all.
      • In the space of less than a week I have gone from being somewhat depressed to feeling like life is back on track.
      Synonyms
      on course, on target, on schedule, on time

  • the wrong side of the tracks

    • informal A poor or less prestigious part of town.

      〈非正式〉城镇贫民窟

      a former bad kid from the wrong side of the tracks
      Example sentencesExamples
      • He is a country boy from the wrong side of the tracks, while she is a city gal with a pedigree.
      • But you get no help if you come from the lower social classes, from the wrong side of the tracks.
      • But I questioned how sharp this guy was with some of the unbelievably bad choices he makes that land him back on the wrong side of the tracks in young adulthood.
      • Meanwhile, the mother, who has become a star of the stage, unwittingly meets her orphan son on one of her frequent trips to the wrong side of the tracks to provide charity to poor children.
      • For he was a kid from the wrong side of the tracks who could so easily have become another grim statistic, whether in jail or the morgue.
      • Growing up with a mixed-race mother on the wrong side of the tracks in Seattle, she also has enough experience of grim reality that she never seems to run out of pain.
      • This is a woman who admits she's from the wrong side of the tracks.
      • It's an American story about a kid who, you know, grew up on the wrong side of the tracks.
      • She is from the wrong side of the tracks, but her beauty has allowed her to marry into 19th century Berlin society.
      • Over the 20th century blacks in larger towns found themselves increasingly forced to live on the wrong side of the tracks.

Phrasal Verbs

  • track someone/something down

    • Find someone or something after a thorough or difficult search.

      （经过彻底、复杂的搜查而）跟踪找到；追查到；搜寻到

      it took seventeen years to track down the wreck of the ship
      Example sentencesExamples
      • The medals of a war hero have been returned to his family after a four-month police search to track them down.
      • He lay unconscious for five hours before a 40-strong search team tracked him down.
      • Major advances in forensic science could help police track down the killer of a newborn baby murdered four years ago.
      • She was shouting something about tracking down the culprit, inflicting justice upon them.
      • Once again, your only problem will be trying to track down a copy!
      • The school is investigating the incident in a bid to track down the culprit.
      • After she died, I tracked down what happened after I left my home.
      • If done properly, DNA evidence can be a powerful tool in tracking down criminals.
      • Police have still not tracked down her murderer.
      • Video footage can be an extremely useful tool in helping the police track down criminals.
      Synonyms
      discover, detect, find, find out, hunt down, hunt out, unearth, uncover, disinter, turn up, dig up, seek out, ferret out, root out, nose out, bring to light, expose, recover, capture, catch, smell out, sniff out, run to earth, run to ground, run down

  • track something up

    • Leave a trail of dirty footprints on a surface.

      〈北美〉留下脏足印

      checking to see if I had tracked up the rug, I sat down
      Example sentencesExamples
      • But I have already tracked up the floor with footprints, etc.
      • We had to hit the shower and put our clothes into the wash immediately to keep them from staining and to keep us from tracking up the whole house with mud and crud.
      • My cats are tracking up the place with little muddy paw prints.

  • track something in

    • Leave a trail of dirt, debris, or snow from one's feet.

      〈北美〉（从脚上）掉下一串灰尘（或碎块，雪）

      the road salt I'd tracked in from the street

      我从街上带进来的一串路面防滑盐脚印。

      Example sentencesExamples
      • At her yell, a large, thick figure came in through the door amidst a large storm's gust of pure white snow, tracking it in with him and battling the wind's strength as he tried to close the door.
      • They keep tracking muck in the house and onto my newly mopped floors and leaving the doors open so all of the heat escapes to the outdoor winter wasteland.
      • They rolled out a carpet on my floors so they weren't tracking dirt in every trip in or out of the house.
      • The sickbay floor was spotted with flooring cement and there is a nice brown track where the construction people were tracking dirt in from outside.

Origin

Late 15th century (in the sense 'trail, marks left behind'): the noun from Old French trac, perhaps from Low German or Dutch trek 'draught, drawing'; the verb (current senses dating from the mid 16th century) from French traquer or directly from the noun.

  • A 15th-century word that perhaps came from the same Dutch source as trek. The first meaning was ‘a mark or trail left by a person, animal or vehicle’—the sort of tracks used by trains was first described in 1805. The expression the wrong side of the tracks, ‘a poor or less prestigious part of a town’, originated in America from the idea of a town divided by a railroad track and dates from the early 20th century.

Rhymes

aback, alack, attack, back, black, brack, clack, claque, crack, Dirac, drack, flack, flak, hack, jack, Kazakh, knack, lack, lakh, mac, mach, Nagorno-Karabakh, pack, pitchblack, plaque, quack, rack, sac, sack, shack, shellac, slack, smack, snack, stack, tach, tack, thwack, vac, wack, whack, wrack, yak, Zack

track2

verb traktræk

  • with object and adverbial of direction Tow (a canoe) along a waterway from the bank.

    从岸上拉（独木舟）前进

    he was going to track the canoe up the ice-hung rapids

Origin

Early 18th century: apparently from Dutch trekken 'to draw, pull, or travel'. The change in the vowel was due to association with track1.

noun.1
phr.
phr.v.
verb.1

track1

nountræktrak

  • 1A rough path or minor road, typically one beaten by use rather than constructed.

    （尤指踩踏出来而非铺设的）小道，小径

    follow the track to the farm

    顺着这条小道去农场。

    a forest track

    林中小径。

    Example sentencesExamples
    • The race - which has been run since 1519 - is run over four miles and covers fields, farm tracks and roads.
    • Descend through the forest where various tracks and paths take you to the B970 at Coylumbridge, two miles from Aviemore.
    • Mike has a love of rough tracks and we follow a number of them during the day, emerging at the end of one at a natural pool, formed by a tufa dam, in the midst of a gently-flowing creek.
    • I followed scars posing as roads and faded tracks not shown on any map yet drawn.
    • Older people recall walking directly over the frozen snow from point to point rather than following the track of the road hidden beneath the snow.
    • He would trace the paths of tracks and highways and railroads, and at night, while he lay waiting for sleep, he would recite the names of maps in his deep, soft voice.
    • The acting team leader instigated a full team call-out, instructing team members to meet at the campsite before commencing a search of the forest tracks and paths.
    • After a spooky tunnel we were out in the sunshine and on Long Lane, the first of three tracks, and a rather austere mile to start with.
    • The race is run over 22 miles and takes competitors through open moorland and on farm tracks, footpaths and roads.
    • Accessible only by a dirt path which runs off a single track road, it's about as far from the heady glamour of Hollywood as you can imagine.
    • Fully equipped with a week's worth of rations, our progress from this city of contradictions leaves behind the tarmac road for rough tracks of sand and stone.
    • The North Yorkshire Moors has numerous forest tracks and many minor roads and this, coupled with its fine scenery, make it arguably the best cycling area in the region.
    • The Park offers the complete day out with an extensive range of waymarked paths, picnic areas, forest roads and tracks.
    • Walking the region's historic paths and forest tracks, you will come across vignerons so proud of their produce that they'll insist you sample each grape variety.
    • The terrain throughout the run featured roads, and rougher pilgrim tracks through the mountains.
    • Take the shooters' track on the left that is resurfaced and curls round to head northeast.
    • Leave the road and follow farm and forest tracks through the Garadhban Forest.
    • Nowadays, most hill walkers climb Ben Ledi from the east, using a combination of hill tracks and forestry paths.
    • Follow the track to a minor road and turn right to reach a main road.
    • Forest paths, moorland tracks and riverside footpaths, with some short sections along quiet country lanes.
    Synonyms
    path, pathway, footpath, lane, trail, route, way, course
    1. 1.1 A prepared course or circuit for athletes, horses, motor vehicles, bicycles, or dogs to race on.
      跑道，车道，赛道
      a Formula One Grand Prix track

      一级方程式汽车大奖赛的赛道。

      Example sentencesExamples
      • In addition to horse racing, the territory even has a greyhound track where sleek canines race a mechanical rabbit.
      • The sale was conducted in a tent on the Saratoga Race Course backstretch with sale horses stabled at the track.
      • They're dedicated to promoting racing on the track rather than the street.
      • She has clear memories of the season her father bought her favourite race track.
      • The tight, banked bends on indoor tracks mean a tall athlete with a long stride length will struggle in the 200m and 400m.
      • But that doesn't mean you can't find affordable ways to get into race marketing at local tracks or through smaller circuits.
      • For second offenses, trainers will be prohibited from entering horses at the track for 15 days.
      • The October yearling sale will be held during the track's annual fall race meeting.
      • He said he prefers to buy horses to race at the tracks in the Northeast and looks for horses with good pedigrees for resale as stallion and broodmare prospects.
      • I was always better at the high speed stuff on tracks, rather than the road stuff.
      • He and 50,000 inhabitants of the Italian town of Siena go wild twice a year when their town square is transformed into a horse track for a biennial race.
      • One of the provisions of the policy will make it feasible for out-of-state trainers to race horses in California when their home tracks are closed.
      • The action came during Thursday's meeting of the Oklahoma Horse Racing Commission when all three of the state's tracks got racing days.
      • When we test, we also try to find the worst track conditions possible.
      • I like to call it beginner's luck and invoke the empirical evidence at horse racing tracks and Las Vegas casinos.
      • Extreme wind gusts forced the cancellation of live racing at the Maryland track after the third race on Saturday.
      • Three courses - Lingfield, Southwell and Wolverhampton - have all-weather tracks although no jump races are held there.
      • Betting is currently allowed at official booths at dog and horse racing tracks, and some bookmakers are authorized to place odds on some sports events.
      • She beamed as she entered the stadium and finished her race as the lone athlete on the track.
      • He refused the offer because he had only been back at the track riding horses in the mornings for five days.
      Synonyms
      course, racecourse
    2. 1.2 The sport of running on a track.
      径赛运动
      Example sentencesExamples
      • Tomorrow was the track meet and her date, so she was a little excited.
      • In our team, medals can come from anywhere: sprints, distance, track or field, male or female, individual or relay.
      • Syrians also enjoying swimming, tennis, track meets, and ping-pong tournaments.
      • Some may say that track is an individual sport, I tend to disagree.
      • Number three on the sporting calendar was last Friday's primary school track meet.
      • He is a GB Modern Pentathlete and 1500m northern track champion.
      • He had a really light build, perfect for track and swimming, which were his two favorite sports.
      • As a young man he excelled in all the major sports; baseball, basketball, football and track.
      • In college baseball, tennis, track, golf, swimming and other campus sports, the machinery is smooth.
      • Wearing sports suits from China, prisoners competed in track and field, boxing and basketball.
      • I think she might go on to be the biggest British track star of the next few years…
      • At an early age, Arnold became involved in a variety of sports, including soccer, track, boxing and swimming.
      • My dad would take her fishing and get her involved in sports like track and basketball.
      • Not so many years ago I could proudly say that Richmond had the best soccer, track and other sports facilities in the Lower Mainland.
      • She started to sprint harder, just as she had done in for track.
      • Growing up, he loved sports, participating in track and basketball.
      • But mountain biking is an obscure cousin in the celebrity sports family of World Cup soccer and Olympic track.
      • In high school my daughters were both involved in sports activities - cross country, basketball, and track.

  • 2usually tracksA mark or line of marks left by a person, animal, or vehicle in passing.

    足迹，踪迹，车辙

    he followed the tracks made by the cars in the snow

    他跟随着警车在雪上留下的痕迹。

    Example sentencesExamples
    • Nearing the border, they left the tarmac of the main road and began to bounce across the rutted sand, following in the tracks of the vehicles which had already passed the same way.
    • A great stride forward was made in recognising Aboriginal dreaming tracks, marking the journey of spiritual ancestors in central Australia.
    • Theo murmured that these were animal tracks that we were following, not human, but I pushed on until we turned a corner and met a curved lip of eroded rock.
    • Reading the tracks of a person - footprints or vehicle tracks - rarely aims at finding out where that someone is.
    • But soon, they realized that the matted snow on these popular roads hid their tracks better than did the more subtle paths.
    • Deep tracks and skid marks were left on greens after the hooligans damaged them.
    • Animal tracks, illuminated by the moon's light, told of how various forms of wildlife frequented this place of tranquility.
    • Inexperienced dogs tend to lose the trail and end up following other animal tracks.
    • We see animal and bird tracks similarly marked, animals and birds themselves, often in outline, infilled, or as stick figures.
    • The footprints of tribes - and neighbouring animals - cut tracks in the vegetation and the soil.
    • On a recent day, a raccoon's tracks mark the surf-soaked sand.
    • There may well not be any big game in view but there will always be birds, insects, flora and animal tracks to look at, discuss and interpret.
    • Keep them interested by making snow angels or looking for animal tracks.
    • On the ceiling of the cave, animal tracks can be seen, and there are fossils of many marine creatures - plus a bird fossil which looks like a chicken.
    • These had been removed with surgical precision and there were no tracks near the animal that would enable determining exactly what attacked it.
    • Field observations were verified using a field guide of animal tracks.
    • It's hard to see, but there are some animal tracks in the picture.
    • These show footprints, burrows, tracks, or other marks made during the course of an organism's lifetime.
    • Animal tracks, such as those of this baby loggerhead turtle, are most easily seen in snow, mud, or sand.
    • They stayed away from the trail, cutting across country, following animal tracks where they could to avoid unseen obstacles.
    Synonyms
    traces, marks, impressions, prints, imprints
    1. 2.1 The course or route followed by someone or something (used especially in talking about their pursuit by others)
      （被跟踪的）路线
      I didn't want the Russians on my track

      我不想有俄国人跟踪我。

      Example sentencesExamples
      • What I didn't know was that the groom had followed my tracks.
      • Complications began to arise as he followed her tracks.
      • Start the new season with the right foot by checking out the stylish shoes that'll make all the ladies want to follow your tracks.
      • And, even if I can't follow his peripatetic tracks around the globe, I can enjoy his travels vicariously.
      • Follow the tracks of past users through China, Italy, Major League Baseball.
      • Most of the characters follow such tracks, nonetheless, hoping to find solace away from Rivière au Sel.
      • I followed his tracks for weeks, but he was always one step ahead of me.
      • I follow his tracks, cursing and grumbling: Where does he think he's going in this weather?
      Synonyms
      course, path, line, orbit, route, way, trajectory, flight path
    2. 2.2 A course of action; a way of proceeding.
      〈喻〉行动方针；行为方式
      defense budgeting and procurement do not move along different tracks from defense policy as a whole

      总的来说，防务预算及采购并不会背离总的防务政策。

      Example sentencesExamples
      • Fluency was the ability to generate several ideas on the same track, flexibility involved being able to produce ideas on several different tracks.
      • We're definitely concerned, but hopeful and optimistic that everything finally will go along the right track.
      • The two painters went on very different tracks afterward.
      • Even as both prepare to move into different tracks, it is evident that their involvement with the feminist movement and publishing are their foremost passions.
      • They are different tracks, and people should stop using that talking point.
      • Unfortunately my mouth and mind are often on different tracks.
      • They are hard grafters, but from very different tracks.
      • I had said plenty of impulsive and strange things before, and had suggested many many different career tracks, but I had never said this before.
      • The two campaigns are likely to run along parallel tracks.
      • In Western Europe, the defence and revision of the myths have run along different tracks.
      • In recent decades, marching band traditions in the United States have evolved along decidedly different cultural tracks.
      • And if you have a combination of players, different tracks will develop.
      • That first weekend grew into a long-distance friendship that continued while the two spent the next few years on different tracks.

  • 3A continuous line of rails on a railroad.

    铁路轨道，线路

    Example sentencesExamples
    • However, if we look down a long stretch of straight parallel lines, such as a pair of railway tracks, they appear to meet.
    • Turn right immediately after the railway tracks into Depot Square.
    • At the meeting, it was stated that there would be a further inspection of the carriages, locomotives and railway tracks.
    • He was with me while we walked along railway tracks and picked up empty cigarette packets, which I collected.
    • Years ago railway tracks would run along this path.
    • Why it was sent over the Hudson River bridge onto the single track main line I don't know.
    • At the westernmost end was the old swing gate that covered the railway tracks coming into the harbour.
    • After the invention of the electrical telegraph in 1839, telegraph lines were laid alongside all the major railway tracks.
    • Construction on the first section of light rail tracks will begin next month.
    • Motorists watched in amazement as a 30 ft fountain of water caused an explosion on the electricity lines above a railway track.
    • The issue of continuous-welded railway tracks has been involved in arguments about buckling.
    • However, because Arrow trains require a different gauge track, a new line needs to be put down.
    • Her model could be used to keep railway tracks in stations clean.
    • The train suddenly increased speed and jumped the tracks after leaving Waterfall railway station, about 40 kilometres south of Sydney.
    • And it would not be affected by problems that can paralyse present railway tracks, like leaves on the line and wear and tear.
    • Then suddenly we were not on the train anymore but were walking along the railway track itself.
    • Ellen and her daughter would return home the way they had come, by following the railroad track.
    • Until Beeching there was a twin track railway line along here.
    • Houses and flats have been built where the railway tracks were laid in the 1860s.
    • He tried to prove that the rotation of the Earth puts pressure on the same rail of a straight track of a railway irrespective of the direction of travel.
    Synonyms
    rail, line
    1. 3.1 A metal or plastic strip or rail from which a curtain or spotlight may be hung or fitted.
      窗帘轨；活动投射灯的滑轨
      Example sentencesExamples
      • The doors are so light a child can push them open or closed, and their slim, custom metal tracks make conventional sliders look prehistorically heavy.
      • The room I'm in is full of shelves on tracks - you move them to get between them and get files out.
      • Lights scattered across the ceiling or a track of spotlights enable other areas of the room to be lit up, but a more exciting modern alternative is the multi-arm ceiling light.
      • She hopes the hook appeals to curtain rail and track manufacturers and the general public alike.
      • Spotlights move in a track that's mounted diagonally, following the angle of the stairs overhead.
      • If necessary, remove the horizontal top trim boards alongside the track, using the same method
      • Wax curtain rods and tracks before hanging curtains, as this will help them slide more easily.
      • The platform was placed on wheels, which were free to move along a level metal track.
    2. 3.2Sailing A strip on the mast, boom, or deck of a yacht along which a slide attached to a sail can be moved, used to adjust the position of the sail.
      〔航海〕（校正风帆位置的）滑条
      Example sentencesExamples
      • The recent damage to the track on the mast where the mainsail is attached is the main focus of her concern, with some tough miles still to come.

  • 4A recording of one song or piece of music.

    the CD contains early Elvis Presley tracks

    这张光盘包括了埃尔维斯·普雷斯利的早期歌曲。

    Example sentencesExamples
    • Last time out, I discovered a cheap way to do a re-mix, or record an extra track overdubbed onto your music.
    • The many stand-out tracks on this album make it a favorite of most fans.
    • The next song, the title track, melds another downtempo beat with a gentle guitar melody.
    • Although it was not the first track recorded, it proved determinant in how this album would sound.
    • You can flesh out the rest after you've downloaded this lead-off track from the band's upcoming debut full-length.
    • Two previously unreleased tracks are included on this collection, but it's the earlier work that will get you.
    • The song is the title track from the 1984 album.
    • Note that there is a bonus audio commentary track with Peter, Graeme, and Nicola.
    • Sadly, two of my favorite songs are bonus tracks and were released well over a year ago.
    • Sounding at times like a drunken pop song, the title track is in fact an exhilaratingly happy and twisted piece of work.
    • Yes, but it's that awful bonus track recorded in 1991.
    • Some of the b-sides stood up better than the tracks on the record.
    • They composed the songs, recorded the tracks, edited the music and did all the audio engineering work necessary.
    • The singer was used to arriving at a studio to find the backing tracks already recorded.
    • However, most of the time, these unreleased tracks have no redeeming value whatsoever.
    • Starting the disc is a commentary track by the director and a few other production members.
    • The opening title track features a winning riff, ringing true through the international language of static and feedback.
    • First albums are often collections of tracks recorded over a long period of time.
    • We will be going into the recording studio soon to record some new tracks.
    • There are 17 tracks on this CD, and music from 14 movies.
    Synonyms
    song, recording, number, piece
    1. 4.1 A lengthwise strip of magnetic tape containing one sequence of signals.
      磁带音轨
      Example sentencesExamples
      • A recording surface is segmented into a plurality of radial zones each containing a plurality of concentric tracks on which data may be recorded.
      • Multiple digital read channels may be used to read multiple tracks of an optical disk simultaneously.
      • High track density magnetic media with pitted optical servo tracks and method for stamping the tracks on the media.
    2. 4.2 The soundtrack of a film or video.
      电影（或录像）的声迹
      Example sentencesExamples
      • On disc one you get the feature film and commentary tracks.
      • Two commentary tracks supplement the film, one with the Director and members of the crew, the other with the director and members of the cast.
      • Also included on this disc is a French mono track as well as English subtitles.
      • I bet Jackie would be quite happy to chat about any of his films for a featurette or a commentary track!
      • All three tracks are totally serviceable, but the surround sound track sounds the best of the bunch by leaps and bounds.
      • The video transfer is quite excellent and the audio track is almost as impressive.
      • This is an apt track for the film, as it didn't really require a full-blown 5.1 remix.
      • Then again, are you really complaining that loudly about the lack of a commentary track for this film?
      • The movie itself is not an aggressive action film, but the audio track really shines.
      • The mono audio track sounds like what it is.
      • It sounds fine for a mono track, but there is some hissing that indicates the film's age.
      • Like the man and his films, his commentary tracks are honest, informative, entertaining and sometimes blunt.
      • This audio track turns the film into a real comedy instead of an unintended one.
      • Each episode contains its stereo surround track with which it is broadcast.
      • The mono audio track has been spruced up, and hiss is almost entirely absent.
      • I really hate it when you can't select between audio tracks during the film.
      • The audio track is mono only, in keeping with the original theatrical release of the film.
      • Thankfully, I didn't have to sit through commentary tracks or a production featurette.
      • The track for the film is mono, so you're getting about as good as you're gonna get with that kind of mix.
      • Every one of those discs features commentary tracks and video transfers that leave the big boys shaking in the dirt.

  • 5A continuous articulated metal band around the wheels of a heavy vehicle such as a tank or bulldozer, intended to facilitate movement over rough or soft ground.

    （坦克、推土机的）履带

    Example sentencesExamples
    • Continuous rubber tracks have a metal infrastructure that is entirely embossed with a continuous rubber loop.
    • Overall vehicle weight and flotation provided by the tracks regulate ground pressure.
    • Yuri was standing by a small, remote controlled platform on tank tracks which supported a probe that resembled Sputnik.
    • Though other tracked vehicles can tear up soft terrain, our tracks steer much the same as a tire-equipped vehicle.
    • He grew up under the old Communist system, in a blighted Czechoslovakia whose ambitions for independence had been crushed beneath Soviet tank tracks.
    • Rudolf could hear the metal of the wheels grind against the metal of the tracks.
    • From the west and south, the elite Namal and Golani Brigades trundled forward, their tank tracks chewing up the sodden ground.
    • He entered the circular chamber in a wheelchair, without wheels, instead, tracks like a tank, to push him along.
    • A vehicle equipped with band tracks will weigh about a ton less than a similar vehicle equipped with metal tracks, which will make it easier to transport by air.
    1. 5.1Electronics A continuous line of copper or other conductive material on a printed circuit board, used to connect parts of a circuit.
      〔电子〕（印刷电路板的）印制线
      Example sentencesExamples
      • Woven into the jacket are electrically conductive fabric tracks which connect the chip module to a fabric keyboard and built-in speakers in the helmet.
      • We connect them together with wires or copper tracks to make circuits, but it's the components that do all the work.
      • In addition, the printed circuit board comprises a flat flexible support on which the conductor tracks run from the stator to the rotor.
      • After exhaustive testing they found that a long track in the circuit board had functioned as the antenna.

  • 6The transverse distance between a vehicle's wheels.

    （机动车辆轮胎的横向）轮距

    Example sentencesExamples
    • The new car has a wider track and larger wheels, which set it off from the versions that have been sold since its launch four years ago.
    • The footprint of a vehicle will be calculated by multiplying its wheelbase by its track width.
    • It also has a wider track by two inches, although the body width is not much different.
    • Several suggestions were made by Ford engineers to improve its stability, including widening the track width of the vehicle.
    • And there are wider wheels and a wider track, which combine to change the stance of the car.

  • 7US A group in which schoolchildren of the same age and ability are taught.

    British term stream (sense 4 of the noun)
    Example sentencesExamples
    • It illustrates the high price that pupils pay for being excluded from the academic track, even when they are some way down the ability distribution within their birth cohort.
    • Approximately half the pupils in this study were in a regular academic track, while the remaining subjects were in a slower track.
    • What should you consider when choosing a high school diploma track?
verbtræktrak
[with object]

  • 1Follow the course or trail of (someone or something), typically in order to find them or note their location at various points.

    跟踪，追踪

    secondary radars that track the aircraft in flight

    跟踪飞行着的飞机的二次雷达。

    he tracked Anna to her room

    他跟踪安娜到了她房间。

    Example sentencesExamples
    • Unlike satellite tracking devices, it measures light levels to estimate a bird's position.
    • Alexander does it on foot, following meandering game trails and tracking the animals.
    • A trail of blood made tracking the gecko easier.
    • Step by step, cities like New York must now learn to watch and track everything that moves.
    • They track the radar sweeps of drug surveillance planes to map out gaps in coverage.
    • Not only do they help monitor traffic movement but also track suspicious characters.
    • Researchers have found a way to track people's mouse movements in a bid to see how they behave when using the Internet.
    • They tried to track the person from following the account my paychecks came from.
    • More and more, we are living in a society where we are all tracked automatically all of the time.
    • Matt said it is following us, tracking us somehow.
    • The aircraft was based on Stealth technology, and is designed not be tracked by radar.
    • I'll spare the details of my weekend socializing - you can track my whereabouts by following the links.
    • I tracked the trail right to the other party, but it took me a day to get there.
    • I want something that tracks my eye movement on screen, and a key combination which will jump the cursor to where I am looking.
    • We can tell whether a consumer likes a pair of shoes by tracking their eye movement.
    • We can refuse to remake our world in their image: a place of fear and mind control, where citizens are tracked and followed, where people are afraid to look or act different.
    • The radars picked up and tracked the pieces of the shuttle as they fell to Earth.
    • Even at its present speed, the flying saucer's progress was being tracked by another vessel following quietly behind.
    • The Norwegian Coastguard closely tracks the movements of dive boats and will probably board yours during your trip.
    Synonyms
    follow, trail, trace, pursue, shadow, stalk, dog, spoor, hunt, hunt down, chase, hound, course, keep an eye on, keep in sight
    1. 1.1 Follow and note the course or progress of.
      〈喻〉追随（某事）的进程
      they are tracking the girth and evolution of stars
      Example sentencesExamples
      • The progress of various dust control initiatives can be tracked against these on-site measurements.
      • You can also find programs to monitor and track your child's online activity.
      • In one study, researchers tracked the progress of 281 women enrolled in a smoking cessation program.
      • The agency has created a linked system that connects its careers service with school and social services so that an individual's progress can be tracked and mapped more efficiently.
      • Writing down what you do removes all the guesswork and accurately tracks your progress.
    2. 1.2no object, with adverbial of direction Follow a particular course.
      沿着特定路线走
      the storm was tracking across the ground at 30 mph

      风暴以时速30英里横扫大地。

      Example sentencesExamples
      • It could be days, for all we know, as far as what the storm is tracking at this point.
      • We'll watch this storm as it tracks through the northeast.
      • The gallery is a short walk from campus - just follow the train tracks southbound.
      • The tropical storm is tracking toward the Gulf of Mexico.
    3. 1.3 (of a stylus) follow (a groove in a record).
      （唱针在唱片纹道中）移动
    4. 1.4no object, with adverbial of direction (of a film or television camera) move in relation to the subject being filmed.
      （电影，电视摄影机）跟踪拍摄
      the camera eventually tracked away

      摄影机最终跟着（镜头）移开了。

      Example sentencesExamples
      • Move with your camera and take tracking or dollying shots.
      • The camera tracked around them portentously as they sat at glowing laptops in a dimly-lit smoky room and, bit by bit, revealed the purported secret of Christie's success.
      • A line of description at the bottom of the last page that sends the camera slowly tracking back… so the audience can catch its breath gather its thoughts, and leave the cinema with dignity.
      • This camera only pans to the right, so if fights move to the left the camera has to track 360 degrees to catch up.
      • Suppose the camera is tracking in, following a bad guy's footsteps.
      • The camera plays along, tracking sometimes the travel of the balloon, sometimes that of a person, sometimes lingering on an empty seat cushion until the balloon is placed there.
      • In fact, the general rule is that the camera should always be moving… tracking, trailing or zooming.
      • One participant is filmed against a blue screen while another controls a camera which tracks over a miniature of the staircase.
      • With cameras tracking their every intimate just- married moment, these newlyweds have the hottest reality show on TV.
      • The camera slowly tracked across the hillside to where six small mounds of earth were covered with stones.
      • These entrapment images are supplemented by yet another cage metaphor, created on this occasion by the camera tracking the two men from behind the railings.
    5. 1.5track something upNorth American Leave a trail of dirty footprints on a surface.
      〈北美〉留下脏足印
      Example sentencesExamples
      • But I have already tracked up the floor with footprints, etc.
      • My cats are tracking up the place with little muddy paw prints.
      • We had to hit the shower and put our clothes into the wash immediately to keep them from staining and to keep us from tracking up the whole house with mud and crud.
    6. 1.6track something in Leave a trail of dirt, debris, or snow from one's feet.
      〈北美〉（从脚上）掉下一串灰尘（或碎块，雪）
      the road salt I'd tracked in from the street

      我从街上带进来的一串路面防滑盐脚印。

      Example sentencesExamples
      • They keep tracking muck in the house and onto my newly mopped floors and leaving the doors open so all of the heat escapes to the outdoor winter wasteland.
      • The sickbay floor was spotted with flooring cement and there is a nice brown track where the construction people were tracking dirt in from outside.
      • They rolled out a carpet on my floors so they weren't tracking dirt in every trip in or out of the house.
      • At her yell, a large, thick figure came in through the door amidst a large storm's gust of pure white snow, tracking it in with him and battling the wind's strength as he tried to close the door.

  • 2no object (of wheels) run so that the back ones are exactly in the track of the front ones.

    （前后车轮）轨迹吻合地移动

    Example sentencesExamples
    • I've just had my wheels tracked 'cause I thought that was the problem.
    • Oh my car has stopped oversteering after I got my wheels tracked.
    • They balanced and tracked the wheels to no avail.

  • 3Electronics
    no object (of a tunable circuit or component) vary in frequency in the same way as another circuit or component, so that the frequency difference between them remains constant.

    〔电子〕统调

    Example sentencesExamples
    • The system will contain a more sophisticated heading sensor as well as more advanced tracking and stabilizing circuits.
    • For nearly four decades chips have tracked Moore's Law, doubling their transistor count every two years.

  • 4US Assign (a student) to a course of study according to ability.

    Example sentencesExamples
    • In seven of the eight studies, students reported more favorable attitudes in the specific subjects they were tracked in.
    • Tracking pupils by skill level as early as age 9 worked.

Phrases

  • in one's tracks

    • informal Where one or something is at that moment; suddenly.

      〈非正式〉就地，当场；突然

      Turner immediately stopped dead in his tracks

      特纳立即就地停住。

      Example sentencesExamples
      • He suddenly stopped dead in his tracks with an extremely amused look on his face.
      • Heavens above, I don't think that expression of view is going to sort of stop communications policy in its tracks.
      • That member should have been stopped in his tracks from the very moment he got to his feet.
      • That was why the Janitor who pursued them earlier had halted so suddenly in his tracks.
      • Suddenly, I stopped in my tracks, causing some guy of roller blades behind me to serve and hit a rock on the pavement.
      • Suddenly, he stops in his tracks as if he is getting a message from the great beyond.
      • He suddenly stopped in his tracks and appeared to be staring at something in the yard.
      • Then she suddenly stopped in her tracks and went over to the window.
      • Michael suddenly stopped dead in his tracks and looked has if he was about to faint.
      • While these campy interludes are good for a few laughs, after the first one they quickly become interminable and stop the film dead in its tracks.

  • keep (or lose) track of

    • Keep (or fail to keep) fully aware of or informed about.

      追踪（或失去）关于…的消息；（未能）一直了解（或关注）

      she had lost all track of time and had fallen asleep

      她完全不知道时间，并且已经入睡了。

      Example sentencesExamples
      • Watching the media and keeping track of what they think is important news.
      • So you lose track of who's leading and who's following, and just do.
      • As you're all well aware because you kept track of us all over the place, we searched on land, we searched in lakes, we searched in rivers.
      • I have lost track of how many times I have testified on this bill, but I think this was the fifth.
      • This easy-to-use software keeps track of all your information and organizes it by categories and key words.
      • Records archive keeps track of exactly what time and date you unlocked secrets
      • Plus of course billing information needs to be kept track of.
      • Like Americans, who are well known for the super-size portions they serve at every meal, we are losing track of just how much food we consume - a problem known as ‘portion distortion’.
      • That makes six since January, and I've lost track of how many since I started here last July.
      • I know the people who did it, but I have lost track of what I promised not to reveal publicly, and so will shut up for now.
      Synonyms
      monitor, follow, keep up with, record, keep a record of
      forget about, forget, be unaware of, cease contact with, lose contact with

  • make tracks (for)

    • informal Leave hurriedly (for a place).

      〈非正式〉离开（去某地）

      Example sentencesExamples
      • Filled with memories of things past, I made tracks to The Empire Diner on New Year's Day, and sat at the black lacquered bar allowing an ice-cube to melt lazily on my tongue.
      • Meanwhile, anxious Americans unable to find a flu shot at home are making tracks north.
      • After our three days clearing roadblocks we packed up and made tracks to Nablus.
      • At about 9 p.m., when it was obvious that there wasn't going to be anything terribly stimulating going on, Shane and Junior started making tracks.
      • But next weekend the cartoon cats will leave the great outdoors and make tracks to the National Railway Museum.
      • I prayed for the song to end, handed over a 20 and made tracks to the bar.
      • This is an uplifting theatrical experience that is well worth making tracks for.
      • It was time to make tracks, so we packed up camp and headed back to our depot at Seay Peak, arriving in the early afternoon after a pleasant and uneventful sledge journey.
      • With the British section of our Ontario travels finished, we decide to make tracks, but not before comparing the ski facilities in Vienna, Ontario with those of the more northerly Zurich, Ontario.
      • It is starting to get dark, and we make tracks back to the car, Sally accidentally performing a spectacular cartoon trip over an exposed branch on the way.

  • on the right (or wrong) track

    • Acting or thinking in a way that is likely to result in success (or failure)

      循着正确（或错误）的路线

      we are on the right track for continued growth

      我们走的是持续增长的正确路线。

      Example sentencesExamples
      • Only the results will tell us if Labour is on the right track.
      • Today's figures also show that more of those who are likely to vote believe that the country is on the right track.
      • If they approach it as a lock-them-up-and-throw-away-the-key, then they're on the wrong track.
      • More impressive, though, than any fanatical power of endurance was his ability to see he was on the wrong track, admit he was mistaken and try a different course of action.
      • 69 percent believe America is on the wrong track, with only 26 percent saying it's headed in the right direction.
      • Victory in last weekend's European Cup final when he captained his country to a fifth success suggests he is on the right track.
      • 34% of the country think the government is on the wrong track.
      • It sounds as though your son is on the right track to becoming a successful bodybuilder.
      • That these women were on the wrong track and he was going to put them on the right track.
      • Dave, you've got the sound effects CD on the wrong track.

  • on track

    • Acting or thinking in a way that is likely to achieve what is required.

      循着正确（或错误）的路线

      formulas for keeping the economy on track

      保持经济正确发展的方案。

      Example sentencesExamples
      • But a two-fold surge in the price of coal put the mining scheme back on track last year.
      • If one patient runs late another will run early and the schedule should stay on track, more or less.
      • More fundamental are policies to get the economy on track so that there are jobs for all.
      • The first is that the economy may be on track this year but the public finances are not.
      • From the outside it appears close to completion and certainly on track for a June completion date.
      • Her speech and development were also impaired but that is now back on track.
      • Back on track, County went on to score the decisive winning goal after forcing a series of corners.
      • As soon as the chaos approaches, the monster rears its head and I'm back on track.
      • Sometimes you just need one result and a bit of luck to get back on track.
      • In the space of less than a week I have gone from being somewhat depressed to feeling like life is back on track.
      Synonyms
      on course, on target, on schedule, on time

  • the wrong side of the tracks

    • informal A poor, less prestigious (or wealthy, prestigious) part of town.

      〈非正式〉城镇贫民窟

      Example sentencesExamples
      • But I questioned how sharp this guy was with some of the unbelievably bad choices he makes that land him back on the wrong side of the tracks in young adulthood.
      • It's an American story about a kid who, you know, grew up on the wrong side of the tracks.
      • He is a country boy from the wrong side of the tracks, while she is a city gal with a pedigree.
      • This is a woman who admits she's from the wrong side of the tracks.
      • She is from the wrong side of the tracks, but her beauty has allowed her to marry into 19th century Berlin society.
      • Over the 20th century blacks in larger towns found themselves increasingly forced to live on the wrong side of the tracks.
      • But you get no help if you come from the lower social classes, from the wrong side of the tracks.
      • For he was a kid from the wrong side of the tracks who could so easily have become another grim statistic, whether in jail or the morgue.
      • Meanwhile, the mother, who has become a star of the stage, unwittingly meets her orphan son on one of her frequent trips to the wrong side of the tracks to provide charity to poor children.
      • Growing up with a mixed-race mother on the wrong side of the tracks in Seattle, she also has enough experience of grim reality that she never seems to run out of pain.

Phrasal Verbs

  • track someone/something down

    • Find someone or something after a thorough or difficult search.

      （经过彻底、复杂的搜查而）跟踪找到；追查到；搜寻到

      Example sentencesExamples
      • Once again, your only problem will be trying to track down a copy!
      • The school is investigating the incident in a bid to track down the culprit.
      • He lay unconscious for five hours before a 40-strong search team tracked him down.
      • If done properly, DNA evidence can be a powerful tool in tracking down criminals.
      • Major advances in forensic science could help police track down the killer of a newborn baby murdered four years ago.
      • The medals of a war hero have been returned to his family after a four-month police search to track them down.
      • After she died, I tracked down what happened after I left my home.
      • Police have still not tracked down her murderer.
      • Video footage can be an extremely useful tool in helping the police track down criminals.
      • She was shouting something about tracking down the culprit, inflicting justice upon them.
      Synonyms
      discover, detect, find, find out, hunt down, hunt out, unearth, uncover, disinter, turn up, dig up, seek out, ferret out, root out, nose out, bring to light, expose, recover, capture, catch, smell out, sniff out, run to earth, run to ground, run down

  • track up

    • (of a horse at the trot) create sufficient impulsion in its hindquarters to cause the hind feet to step onto or slightly ahead of the former position of the forefeet.

      （小跑中的马）使马身后部有足够的冲力，后蹄能踏上或超过前蹄曾踩踏过的地方

Origin

Late 15th century (in the sense ‘trail, marks left behind’): the noun from Old French trac, perhaps from Low German or Dutch trek ‘draft, drawing’; the verb (current senses dating from the mid 16th century) from French traquer or directly from the noun.

track2

verbtraktræk

  • with object and adverbial of direction Tow (a boat) along a waterway from the bank.

    从岸上拉（独木舟）前进

    he was going to track the canoe up the ice-hung rapids

Origin

Early 18th century: apparently from Dutch trekken ‘to draw, pull, or travel’. The change in the vowel was due to association with track.

noun.1
phr.
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更新时间：2024/12/26 15:15:47