n.[C]

1. 闩，门栓
   She slid the bolt back and opened the door.

   她推开门闩，把门打开。

2. 螺栓
   He fastened the bolt.

   他把螺栓扭紧。

3. 闪电，电光
   A bolt of lightning lit up the sky.

   电闪照亮了天空。

4. 弩箭，粗箭
5. 冲撞；逃跑[S]
   At the sight of the policemen coming towards the house, the suspect made a bolt for the door.

   瞥见警察向屋子走来，嫌疑犯便欲夺门而逃。

6. （棉布等的）一匹，一卷
7. 【美】脱党行为

vt.

1. 闩上，插上
   He bolted all the doors and windows before he left.

   他出去前把所有门窗都拴起来。

2. 将……用螺栓拴紧
3. 吞吃，匆忙咽下[（+down）]
   He bolted down a bowl of noodles.

   他囫囵吞下一碗面条。

4. 脱口说出
5. 【美】脱离（政党，活动等）
   He decided to bolt the ticket.

   他决定退出竞选。

vi.

1. 冲出；逃走；快速移动
   He bolted out of the room in a rage.

   他怒气冲冲地从房内奔出。

2. 狼吞虎咽
3. 【美】脱党
4. 闩住；用螺栓固定

ad.

1. 突然地；直接地
2. 笔直地
   He sat bolt upright.

   他笔直地坐着。

n.

1. a long pin with a head that screws into a nut, used to fasten things together.
   ▸a bar that slides into a socket to fasten a door or window.
   ▸the sliding piece of the breech mechanism of a rifle.
2. a short, heavy arrow shot from a crossbow.
3. a flash of lightning across the sky.

v.

v.

1. run away suddenly.
   ▸(in hunting) cause (a rabbit or fox) to run out of its burrow or hole.
2. (of a plant) grow quickly upwards and stop flowering as seeds develop.
3. eat (food) quickly.

n.

1. a roll of fabric, originally as a measure.
2. a folded edge of a piece of paper that is trimmed off to allow it to be opened.

v.