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IELTS BNC: 5051 COCA: 4899
bolt
boʊlt boʊlt
Word forms: plural , 3rd person singular present tense bolts, present participle bolting, past tense , past participle bolted
1 N-COUNT 螺栓 A bolt is a long metal object which screws into a nut and is used to fasten things together. 螺栓
2 VERB 用螺栓固定；闩上 When you bolt one thing to another, you fasten them firmly together, using a bolt. 用螺栓固定；闩上

  • The safety belt is easy to fit as there's no need to bolt it to seat belt anchorage points. [VERB noun + to]

    由于不必扣在座位的固定夹上，安全带很容易就可以系好。

  • Bolt the components together. [V n with together/on]

    把元器件组装在一起。

  • The doors were bolted on. [V n with together/on]

    门都闩上了。

  • ...a wooden bench which was bolted to the floor. [VERB-ed]

    用螺栓固定在地板上的木制长椅

3 N-COUNT （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. （门、窗的）金属插销，闩

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

  • He reminded her that he would have to lock and bolt the kitchen door after her. [VERB noun]

    他提醒她,在她走后他得把厨房的门上锁并闩上。

  • ...the heavy bolted doors. [VERB-ed]

    紧锁的大门

SYN lock, close, bar, secure
5 VERB （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. （常指人或动物因受惊吓）迅速逃跑，逃窜

  • The pig rose squealing and bolted. [VERB]

    那头猪突然嗷嗷叫着狂奔起来。

  • I made some excuse and bolted for the exit. [VERB prep./adv.]

    我编了个借口后便向出口冲去。

SYN dash, run, fly, spring
6 VERB 狼吞虎咽 If you bolt your food, you eat it so quickly that you hardly chew it or taste it. 狼吞虎咽 [Also VERB n PREPOSITION]

  • Being under stress can cause you to miss meals, eat on the move, or bolt your food. [VERB noun]

    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。

Bolt down means the same as bolt .bolt down同bolt

  • Back then I could bolt down three or four burgers and a pile of French fries.

    那时我一顿能吃下三四个汉堡和一大堆炸薯条。

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

  • Suddenly a bolt of lightning crackled through the sky. [+ of]

    突然一道闪电划破长空。

SYN flash, thunderbolt, burst, streak
8 N-COUNT [usually NOUN of n] （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. （布的）一匹，一卷

  • ...bolts of black silk.

    成匹的黑丝绸

SYN bale, amount, roll, quantity
9 VERB （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. （蔬菜）生长过快，结实过早（而不宜食用）

  • If the soil dries out the plants may bolt. [VERB]

    如果土壤过干，植株可能会过早结实。

10 PHRASE [VERB inflects, PHRASE n] 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. 突然逃跑；慌忙逃窜

  • 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 PHRASE 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. 晴天霹雳；出人意表；令人大吃一惊

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

  • 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 
Phrasal verbs:
bolt down
Trends of bolt
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