A metal bar that slides to lock a door or window.
She slid the bolt to lock the door.
她滑動門栓鎖上了門。
A metal pin with a nut used to fasten things together.
He used a bolt to attach the shelf to the wall.
他用螺栓將架子固定在牆上。
A flash of lightning that looks like a line.
A bolt of lightning lit up the sky.
一道閃電照亮了天空。
A short, heavy arrow shot from a crossbow.
The knight loaded a bolt into his crossbow.
騎士將弩箭裝進他的十字弓。
A roll of cloth wrapped around cardboard.
She bought a bolt of fabric for her dress.
她買了一匹布料來做她的裙子。
To lock a door or window with a sliding bar.
Remember to bolt the door before you leave.
離開前記得栓上門。
To fasten things together with a metal pin.
They will bolt the pieces of wood together.
他們將用螺栓把木塊固定在一起。
To suddenly run away because of fear.
The rabbit bolted when it saw the dog.
兔子看到狗時突然逃跑了。
To run away quickly to escape.
He bolted from the room when he heard the noise.
他聽到聲音後迅速逃離了房間。
To eat food very quickly.
Don't bolt your lunch; chew slowly.
不要狼吞虎嚥地吃午餐;要慢慢咀嚼。
To stop supporting a political party or group.
Some members may bolt the party after the election.
一些成員可能在選舉後脫離該政黨。
To grow too fast and produce seeds, making it less good to eat.
If the lettuce bolts, it becomes bitter.
如果萵苣抽薹,就會變苦。