bolt
[NOUN, VERB]
bolts
1. [C 可数名词] 螺钉
A bolt is a long metal object that screws into a nut and is used to fasten things together.
2. [C 可数名词] （门或窗的）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.
双语例句
例：I heard the sound of a bolt being slowly and reluctantly slid open.
我听到门闩被人缓慢而费劲地抽出来的声音。
3. [C 可数名词] （闪电）道
A bolt of lightning is a flash of lightning that is seen as a white line in the sky.
双语例句
例：Suddenly a bolt of lightning crackled through the sky.
突然，一道闪电划破天空。
NOUN. 名词
bolt down
1. [PHRASAL 短语] 吞吃（同）bolt）
Bolt down means the same as bolt.
双语例句
例：I like to think back to secondary school, when I could bolt down three or four burgers and a pile of chips.
我喜欢回想高中时，那时我可以一气吞下三四个汉堡和一大堆炸薯条。
PHRASAL VERB. 短语动词
bolt upright
1. 笔直地
If someone is sitting or standing bolt upright, they are sitting or standing very straight.
双语例句
例：When I pushed his door open, Trevor was sitting bolt upright in bed.
我推开特雷弗的门时，他正笔直地坐在床上。
PHRASE. 习语
bolts , bolting , bolted
1. [T 及物动词] 栓牢
When you bolt one thing to another, you fasten them firmly together, using a bolt.
双语例句
例：The safety belt is easy to fit as there's no need to bolt it to seat belt anchorage points.
这种安全带很容易安装，因为不需要把它拴在安全带固定点上。
例：Bolt the components together.
把所有的部件栓接起来。
2. [T 及物动词] 闩（门或窗）
When you bolt a door or window, you slide the bolt across to fasten it.
双语例句
例：He reminded her that he would have to lock and bolt the kitchen door after her.
他提醒她，他得在她离开后锁上厨房的门并插上门闩。
3. [I 不及物动词] （因受惊吓）突然快跑
If a person or animal bolts, they suddenly start to run very fast, often because something has frightened them.
双语例句
例：The pig rose squealing and bolted.
那头猪尖叫着站起来，飞快地跑开了。
4. [T 及物动词] 吞吃
If you bolt your food, you eat it so quickly that you hardly chew it or taste it.
双语例句
例：Being under stress can cause you to miss meals, eat on the move, or bolt your food.
身处压力之下可能会导致不吃饭、边走边吃、或者囫囵吞吃。
VERB. 动词
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