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单词 trackball
释义
trackball
noun[C]
uk
/ˈtræk.bɔːl/us
/ˈtræk.bɔːl/
aballon acomputermouseorkeyboardthat yourollwithyourfingerinordertomovethecursoron thescreen:
Amouseor trackballallowsyou tomovethepointerthat is on thescreenand toselectitemsbyclickingon them.
Evenseasonedcomputerusersfoundthemixtureofkeyboard,touchscreenand trackballconfusing.
picture of trackball
epixx/iStock/Getty Image Plus/GettyImages
More examples
  • Theiconsaregenerallyactivatedby anon-screenpointercontrolledby amouseor trackball.
  • Twolargebuttonssiton eithersideof the trackball andreplicatetheleftandrightmousebuttons.
  • Theideawas tograspthestickin thepalmof thehandandmanipulatethe trackball with thethumb.
SMART Vocabulary: related words and phrases
Computer hardware
  • 3-D printer
  • beamer
  • blackberry
  • brick
  • bubblejet
  • card reader
  • data projector
  • gamepad
  • graphics card
  • hard drive
  • optical reader
  • optically
  • palmtop
  • parallel port
  • patch
  • patch intosomething
  • pen drive
  • plug and play
  • printer
  • whiteboard
See more results »
(Definition oftrackballfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)
trackball
noun[C]
uk
/ˈtræk.bɔːl/us
/ˈtræk.bɔːl/
aballon thekeyboardof alaptopor othercomputerthat yourollwithyourfingerinordertomovethecursoron thescreen
（电脑键盘上操控光标的）轨迹球

Examplesoftrackball

trackball
Since this mouse is an optical mouse, the mouse fails when sufficient sunlight leaks into thetrackball.
From theCambridge English Corpus
For each image, the perimeters of the right ventricular cavity were traced using an off-linetrackballalgorithm.
From theCambridge English Corpus
Efficient controls, those with a high ratio of degrees of freedom to selection overhead, are: touchpads,trackball; spaceball; motion-tracking glove.
From theCambridge English Corpus
However, when used outdoors in bright sunlight, we often had to shade thetrackballwith the user's second hand in order for it to function properly.
From theCambridge English Corpus
Together with light pens and trackballs, it was offered as optional input device for their system since 1968.
From
Wikipedia
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The cursor pointing function was handled by a built-intrackballthat could be removed and located on either side of the keyboard.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
The combination of thetrackballaccuracy and joystick analog control allowed for sophisticated two-hand aiming, arguably unsurpassed to these days.
From
Wikipedia
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This variant of the mouse resembled an invertedtrackballand became the predominant form used with personal computers throughout the 1980s and 1990s.
From
Wikipedia
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Itstrackballsystem exhibited issues with wear under high use, and without maintenance most specimens eventually broke down.
From
Wikipedia
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The majority of the displays are screens, with atrackballto choose to play a video on a certain topic.
From
Wikipedia
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Thetrackballbroke down due to the body oils from his hands.
From
Wikipedia
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This button is duplicated on either side of thetrackballfor left or right-handed players.
From
Wikipedia
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It employed the same twin trackballs with an action button duplicated on either side and a similar cocktail cabinet design with horizontal screen.
From
Wikipedia
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He works, creates art, and communicates via the computer by using his thumb on atrackballmouse.
From
Wikipedia
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Less common setups include devices such as trackballs or steering wheels.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/trackball##
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更新时间：2025/1/19 3:17:19