1.（门窗的）闩，插销a long, narrow piece of metal that you slide across the inside of a door or window in order to lock it
2.螺栓a piece of metal like a screw without a point which is used with a circle of metal(= a nut ) to fasten things together
nuts and bolts螺帽和螺栓
3.~ of lightning闪电a sudden flash of lightning in the sky, appearing as a line
4.弩箭a short heavy arrow shot from a crossbow
5.一匹（布）a long piece of cloth wound in a roll around a piece of cardboard
Her dismissal came as a bolt from the blue.她被解雇简直就是晴天霹雳。
Her dismissal came as a bolt from the blue.她被解雇简直就是晴天霹雳。
1.[t][i]~ (sth)用插销闩上；能被闩上to fasten sth such as a door or window by sliding a bolt across; to be able to be fastened in this way
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。
2.[t]用螺栓把（甲和乙）固定在一起to fasten things together with a bolt
The vice is bolted to the workbench.这虎钳是用螺栓固定在工作台上的。
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。
3.[i]（马等受惊）脱缰if an animal, especially a horse,bolts , it suddenly runs away because it is frightened
4.[i](+ adv./prep.)跑开；（尤指）逃跑to run away, especially in order to escape
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。
5.[t]~ sth (down)狼吞虎咽to eat sth very quickly
Don't bolt your food!吃饭不能狼吞虎咽！
6.[t][i]~ (sth)停止支持（某团体或政党）to stop supporting a particular group or political party
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。
7.[i]过早结实（因而食用价值降低）to grow too quickly and start producing seeds and so become less good to eat
And it was a close call in northern Texas where a pair of children nearly walked into a lightening bolt.
在北德克萨斯州上演了千钧一发一幕，两个小孩几乎被闪电击中。
Bolt to the left to the end of a minimum of 3 seconds, up to 4 D to the end of his species, each detected event occurs will re-timing.
螺栓向左旋到尽头为最短3秒，向右旋到尽头为最长4他种，每次探测到活动发生时都会重新计时。
"Bill did not see it coming at all. It was a complete bolt from the blue, " the person said.
该人士称：“比尔一点也没想到会出现这种情况。这完全是晴天霹雳。”
bald blockade of acne known as acne, as the tip size gray red papules, easy to bolt out of fat.
白头粉刺亦称封锁性粉刺，为针尖大小的灰红色小丘疹，不易挤出脂栓。
Prisoners plotting escapes have found that a cell phone can be just as valuable as a pair of bolt cutters.
密谋越狱的囚犯已经发现，手机的价值不低于一副断线钳。
and a red bolt of light shot from his own wand, cleaving a gap between the four pursuing Death Eaters as they scattered to avoid it.
一道红光从他自己的魔杖里射出，那四个追来的食死徒急忙躲避，闪出一个空当。
The only thing Harry liked about his own appearance was a very thin scar on his forehead that was shaped like a bolt of lightning.
哈利对自己的外表最喜欢的就是额头上那道像闪电似的淡淡的疤痕。
There was the noise of a bolt shot back, and the door opened a few inches, enough to show a long snout and a pair of sleepy blinking eyes.
里面响起了拉门栓的声音，门开了几吋宽的一条缝，刚够露出一只长长的嘴，一双睡意惺松并眨巴着的眼睛。’
'There wasn't any lightning bolt here, ' said one of the people. 'There was just a series of not reaching performance targets. '
其中一人说，这不是什么晴天霹雳，只是一系列业绩目标没有完成。
We had been sure she was in Chicago, so her sudden appearance was a Bolt out of the Blue.
我们大家都认定她现在在芝加哥，因此她的突然出现完全出乎我们的预料。
And I can tell you exactly which shower tile I was looking at in my parent's bathroom on a trip home when it hit me like a lightning bolt.
至今我还能确切地告诉你，在一次回家时，在父母的浴室中，我正凝视着哪一片檐瓦，一个念头像闪电一样击中了我。
Dud Bolt was one of the few Podracer pilots realized as a puppet rather than an all computer-generated creation.
达德·博尔特是少数几个依靠木偶而非全计算机制作的飞梭大赛赛车手之一。
As he played he sat bolt upright, gaunt and aquiline, unsmiling in his crisp, perfect suit, with his elbows held close to his sides.
在演奏时他的背挺得笔直，瘦削且轮廓分明，穿着一身干净得体的西装而表情严肃，手肘紧靠在身体两侧。
The project, a pair of earth pre ure through the calculation of environmental studies to determine bolt increase pile su oring patter .
本工程中，通过对土压力的计算，对周围环境的研究，决定采用锚杆加排桩的支护方式。
The mother took Dobrunka by the arm, put her out of the door, and drew the bolt on her.
于是继母就拉住多布朗卡的胳膊，把她推出门外，还给门插上了门闩。
He would always think of this as the place where he had learned to put a bolt on a door.
他将永远记住这儿是教他学会在门上加闩的地方。
Wax must not come into contact with the thread. After fitting the bolts the bolt heads have to be carefully cleaned of any residue wax.
蜡不能接触到螺纹，安装完螺栓后，螺栓头部必须仔细清理掉残留的蜡。
It declines to put its head into the frame used to hold it for the application of the bolt.
而它拒绝将头放入用来固定住它的为了实施“粉碎”用的框架里。
The lucky thing was that he knew that Britten had done all his tricks at once, had shot his bolt.
幸运的是，他知道布列顿已经一次耍完他的全套花招，使出了他的全部能耐。
Bolt, who was on a four-day visit to Kenya, said he was looking forward to seeing Kenya's diverse wildlife, but was scared of meeting lions.
博尔特这次的肯尼亚之旅为期四天，他表示希望能在那里见到各种各样的动物，但狮子除外，因为这会令他胆战心惊。
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