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bolt

美音:[bəult ]点这儿播放单词美音发声
英音:[bəult ]点这儿播放单词英音发声
n.门闩,螺钉,闪电,跑掉 v.上门闩,囫囵吞下,逃跑

难易程度:

bolt为六级词汇   词频:4748

词形变化:

动词过去式:bolted 过去分词:bolted 现在分词:bolting 第三人称单数:bolts

近义词, 同义词

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相关词

break-away  fastener  flee  lock    

bolt


/bəʊlt; bolt/
n
1 metal bar that slides into a socket to lock a door, window, etc (门、窗等的)闩.
2 metal pin with a head at one end, and a thread (as on a screw), used with a nut for fastening things together 螺栓.
3 short heavy arrow shot from a crossbow (用弩弓发射的)弩箭.
4 flash of lightning 闪电; 霹雳.
5 quantity of cloth, etc wound in a roll (布疋等的量)一疋, 一卷.
6 (idm 习语) a ,bolt from the `blue unexpected (and usu unwelcome) event; complete surprise 意外的(通常为不受欢迎的)事件; 晴天霹雳
*The news of his death was (like) a bolt from the blue. 他逝世的消息犹如晴天霹雳. the nuts and bolts => nut. shoot one's bolt => shoot1.

v
1 (a) [I, Tn] fasten (sth) with a bolt1(1) 将(某物)闩上
*The gate bolts on the inside. 这大门是从里面闩上的.
* Remember to bolt all the doors and windows. 别忘将所有门窗闩住.
(b) [Tn, Tn.pr, Tn.p]. ~ A to B; ~ A and B (together) fasten objects (together) with bolts (bolt1 2) 用螺栓将物体固定住
*The vice is bolted to the work-bench. 老虎钳是用螺栓拧在工作台上的.
* The various parts of the car are bolted together. 这辆汽车的各种配件是用螺栓装在一起的.
2 (phr v) bolt sb in/out prevent sb from leaving/entering a room, house, etc by bolting the doors, etc 将门等闩上不让某人出[入].

/bəʊlt; bolt/
v
1 [I]
(a) (esp of a horse) run away suddenly out of control (尤指马)惊(突然失控逃跑)
*The horse bolted in terror at the sound of the gun. 枪声把马吓惊了.
(b) (of a person) run away quickly (指人)迅速逃跑
*When the police arrived the burglars bolted. 警察来到时, 窃贼立即逃跑了.
2 [Tn, Tn.p] ~ sth (down) swallow (food) quickly 匆匆吞咽(食物)
*Don't bolt your food you'll get indigestion! 别这么狼吞虎咽--你会消化不良的!
3 [I] (of plants) grow quickly upwards and stop flowering when seeds are produced (指植物)迅速成长结子而不再开花
*My lettuces have bolted. 我种的莴苣已经结子了.
4 (idm 习语) lock, etc the stable door after the horse has bolted => stable2.

n
1 [sing] act of bolting (bolt2 1b); sudden dash 逃跑; 猛冲.
2 (idm 习语) make a bolt/dash/run for it try to escape/to reach sth quickly 试图迅速逃走[抵达某处]
*When the police arrived he made a bolt for it/for the door. 警方来到时, 他慌忙逃走[夺门而逃]了.

/bəʊlt; bolt/
adv (idm 习语) bolt `upright very straight; quite upright 挺直地; 直立地
*sit bolt upright 挺直地坐着.
1. The news came like a bolt from the blue.
    消息传来如晴天霹雳。

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