bolt单词什么意思_bolt单词解释 bolt的反义词bolt的例句

名词螺栓，螺钉; 闪电，雷电; 门闩; 弩箭

及物动词筛选; 囫囵吞下; （把门、窗等）闩上; 突然说出，脱口说出

不及物动词（门窗等）闩上，拴住; 冲出，跳出; （马等的）脱缰; 囫囵吞下

副词突然地; 像箭似地; 直立地

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3. bolt：beam – of – light – transistor; 光束晶体管

1. 螺栓
A bolt is a long metal object which screws into a nut and is used to fasten things together.

2. 用螺栓固定；闩上
When you bolt one thing to another, you fasten them firmly together, using a bolt.

e.g. The safety belt is easy to fit as there's no need to bolt it to seat belt anchorage points...
由于不必扣在座位的固定夹上，安全带很容易就可以系好。
e.g. Bolt the components together...
把元器件组装在一起。

3. （门、窗的）金属插销，闩
A bolt on a door or window is a metal bar that you can slide across in order to fasten the door or window.

e.g. I heard the sound of a bolt being slowly and reluctantly slid open.
我听到门闩被缓慢而吃力地拉开的声音。

4. 闩上（门、窗）
When you bolt a door or window, you slide the bolt across to fasten it.

e.g. He reminded her that he would have to lock and bolt the kitchen door after her.
他提醒她,在她走后他得把厨房的门上锁并闩上。
e.g. ...the heavy bolted doors.
紧锁的大门

5. （常指人或动物因受惊吓）迅速逃跑，逃窜
If a person or animal bolts, they suddenly start to run very fast, often because something has frightened them.

e.g. The pig rose squealing and bolted...
那头猪突然嗷嗷叫着狂奔起来。
e.g. I made some excuse and bolted for the exit.
我编了个借口后便向出口冲去。

6. 狼吞虎咽
If you bolt your food, you eat it so quickly that you hardly chew it or taste it.

e.g. Being under stress can cause you to miss meals, eat on the move, or bolt your food.
人在压力之下有时会吃不上饭，或边走边吃，或是匆匆吃上几口。

7. 一道（闪电）
A bolt of lightning is a flash of lightning that is seen as a white line in the sky.

e.g. Suddenly a bolt of lightning crackled through the sky.
突然一道闪电划破长空。

8. （布的）一匹，一卷
A bolt of cloth is a long wide piece of it that is wound into a roll round a piece of cardboard.

e.g. ...bolts of black silk.
成匹的黑丝绸

9. （蔬菜）生长过快，结实过早（而不宜食用）
When vegetables such as lettuces or onions bolt, they grow too quickly and produce flowers and seeds, and therefore become less good to eat.

e.g. If the soil dries out the plants may bolt.
如果土壤过干，植株可能会过早结实。

10. 突然逃跑；慌忙逃窜
If someone makes a bolt for somewhere, or makes a bolt for it, they make a sudden escape.

e.g. His father kept a tight grip on his collar in case he should make a bolt for the door.
他的父亲紧紧抓住他的衣领，防止他夺门而逃。

11. 晴天霹雳；出人意表；令人大吃一惊
If a piece of news comes like a bolt from the blue, it is completely unexpected and very surprising.

e.g. The company decided to appoint a Japanese manager as president of the company. The decision came as a bolt from the blue.
公司决定任命一位日籍经理担任总裁。这个决定太出乎意料了。

12. 挺直地；笔直地
If someone is sitting or standing bolt upright, they are sitting or standing very straight.

e.g. When I pushed his door open, Trevor was sitting bolt upright in bed.
当我推开特雷弗的房门时，他正腰杆笔直地坐在床上。

13. nuts and bolts - see nut
to close the stable door after the horse has bolted - see stable

相关词组：bolt down

noun

1. a sudden abandonment (as from a political party)

2. the act of moving with great haste

e.g. he made a dash for the door

Synonym: dash

3. a screw that screws into a nut to form a fastener

4. the part of a lock that is engaged or withdrawn with a key

Synonym: deadbolt

5. a sliding bar in a breech-loading firearm that ejects an empty cartridge and replaces it and closes the breech

6. a roll of cloth or wallpaper of a definite length

7. a discharge of lightning accompanied by thunder

Synonym: thunderboltbolt of lightning