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单词 bolt
释义
N49475607boltSpoken.373Fiction.2268Magazine.1918Newspaper.682Academic.366 V83572335boltSpoken.141Fiction.1262Magazine.539Newspaper.306Academic.87
1
a large metal pin, in particular
大金属栓, 尤指:
1.1
a bar that slides into a socket to fasten a door or window
(门、窗的)插销。
1.2
a long pin with a head that screws into a nut or is used to fasten things together
螺栓。
1.3
the sliding piece of the breech mechanism of a rifle
枪栓。
1.4
Climbing a long pin that is driven into a rock face so that a rope can be attached to it
【登山】岩石栓。
2
a short, heavy arrow shot from a crossbow
(用弩弓发射的)弩箭。
3
a flash of lightning that can be seen shooting across the sky in a jagged white line
闪电, 霹雳。
with obj.
1
fasten with a bolt, in particular
拴住, 扣紧, 尤指:
1.1
fasten (a door or window) with a bar that slides into a socket
将门(或窗)闩上:

all the doors were locked and bolted.

所有的门都已经锁好闩上了。

1.2
(with obj. and adverbial of place) fasten (something) to something else with a long pin that screws into a nut
用螺栓固定(某物)。
短语

a bolt from(或out of)the blue

a sudden and unexpected event or piece of news
意外事件(或消息):

the job came like a bolt from the blue.

得到这份工作是出乎预料的事。

ORIGIN: with reference to the unlikelihood of a thunderbolt coming from a clear blue sky.

bolt upright

with the back very straight
笔直:

she sat bolt upright in bed.

她笔直地坐在床上。

have shot one's bolt

informal have done all that is in one's power
〈非正式〉竭尽全力。
词源
Old English, 'arrow', of unknown origin; related to Dutch bout and German Bolzen 'arrow, bolt for a door'.

bolt2

/bəʊlt/
1
no obj.(of a horse or of other animal) run away suddenly out of control
(马或其他动物)突然失控逃跑:

the horses shied and bolted.

马受惊挣脱了缰绳。

1.1
no obj., with adverbial of direction(of a person) move or run away suddenly in an attempt to escape
(人)逃跑:

they bolted down the stairs.

他们逃下楼梯。

1.2
with obj.(in hunting) cause (a rabbit or fox) to run out of its burrow or hole
逼迫(兔子、狐狸)跑出洞穴。
1.3
(of a plant) grow quickly upwards and stop flowering as seeds develop
(植物)迅速成长结籽而不再开花:

the lettuces have bolted.

莴苣已经结籽了。

2
with obj. eat or swallow (food) quickly
匆匆吞下(食物):

it is normal for puppies to bolt down their food.

小狗囫囵吞下食物是常事。

短语

make a bolt for

try to escape by moving suddenly towards (something)
试图迅速逃到(某处):

Ellie made a bolt for the door.

埃利往门口逃去。

词源
Middle English: from BOLT1 , expressing the sense 'fly like an arrow'.

bolt3

/bəʊlt/
1
a roll of fabric, originally as a measure
(布的)一匹:

the room is stacked with bolts of cloth.

房间里堆满了布匹。

2
a folded edge of a piece of paper that is trimmed off to allow it to be opened, as on a section of book
(纸等的)卷边。
词源
Middle English: transferred use of BOLT1 .

bolt4

/bəʊlt/
(亦作boult)
with obj.
archaic pass (flour, powder, or other material) through a sieve
〈古〉筛(面粉或其他东西)。
词源
Middle English: from Old French bulter, of unknown ultimate origin. The change in the first syllable was due to association with BOLT1 .
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更新时间:2025/3/18 14:15:58