| 单词 | bolt |
| 释义 | nounverbadverbboltBrE /bəʊlt/ NAmE /boʊlt/ noun a long , narrow piece of metal that you slide across the inside of a door or window in order to lock it （门窗的）闩，插销a piece of metal like a screw without a point which is used with a circle of metal (= a nut)to fasten things together 螺栓◆ nuts and bolts 螺帽和螺栓~of lightning a sudden flash of lightningin the sky , appearing as a line 闪电a short heavy arrow shot from a crossbow弩箭a long piece of cloth wound in a roll around a piece of cardboard 一匹（布） ● a ˌbolt from the ˈblue an event or a piece of news which is sudden and unexpected ; a complete surprise 突如其来的事件（或消息）；晴天霹雳◆ Her dismissal came as a bolt from the blue . 她被解雇简直就是晴天霹雳。● make a ˈbolt for sth ● make a ˈbolt for it to run away very fast , in order to escape 迅速逃跑；溜走● the ˌnuts and ˈbolts (of sth )(informal ) the basic practical details of a subject or an activity 基本要点● have shot your ˈbolt (informal ) to have used all your power , money or supplies 竭尽全力；倾其所有boltBrE /bəʊlt/ NAmE /boʊlt/ verb present simple - I / you / we / they bolt BrE /bəʊlt/ NAmE /boʊlt/ present simple - he / she / it bolts BrE /bəʊlts/ NAmE /boʊlts/ past simple bolted BrE /ˈbəʊltɪd/ NAmE /ˈboʊltɪd/ past participle bolted BrE /ˈbəʊltɪd/ NAmE /ˈboʊltɪd/ -ing form bolting BrE /ˈbəʊltɪŋ/ NAmE /ˈboʊltɪŋ/ [T , I ]~ (sth )to fasten sth such as a door or window by sliding a boltacross ; to be able to be fastened in this way 用插销闩上；能被闩上◆ Don't forget to bolt the door . 别忘了闩门。◆ The gate bolts on the inside . 大门在里面上闩。[T ]to fasten things together with a bolt用螺栓把（甲和乙）固定在一起◆ ~A to B The vice is bolted to the workbench . 这虎钳是用螺栓固定在工作台上的。◆ ~A and B together The various parts of the car are then bolted together . 然后汽车的各种部件便用螺栓装配在一起。[I ]if an animal , especially a horse , bolts , it suddenly runs away because it is frightened （马等受惊）脱缰[I ](+ adv ./prep .)(of a person 人) to run away , especially in order to escape 跑开；（尤指）逃跑◆ When he saw the police arrive , he bolted down an alley . 他看见警察来了，便从小巷逃走了。[T ]~sth (down )to eat sth very quickly 狼吞虎咽◆ Don't bolt your food ! 吃饭不能狼吞虎咽！(NAmE ) [T , I ]~ (sth )to stop supporting a particular group or political party 停止支持（某团体或政党）◆ Many Democrats bolted the party to vote Republican . 很多民主党人放弃本党，转而投共和党的票。[I ](of a plant , especially a vegetable 植物，尤指蔬菜) to grow too quickly and start producing seeds and so become less good to eat 过早结实（因而食用价值降低） ● close , lock , etc . the stable door after the horse has ˈbolted (BrE ) (US close , etc . the barn door after the horse has eˈscaped ) to try to prevent or avoid loss or damage when it is already too late to do so 马跑了才去关厩门；贼走关门，为时已晚boltBrE /bəʊlt/ NAmE /boʊlt/ adverb ● sit /stand bolt ˈupright to sit or stand with your back straight 背部笔挺地坐/站；坐/站得笔直 |
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