bolt

/bəʊlt/ n. / v.
标准词条 CET-4
一句话记住

螺栓;插销;闪电;霹雳;(马等)惊跑;突然逃跑

释义与例句

n. 螺栓;插销
a metal pin with a thread, used with a nut to fasten things together; a sliding bar for fastening a door
  1. He tightened the bolt on the bicycle wheel with a spanner.
    他用扳手拧紧了自行车轮上的螺栓。
  2. Slide the bolt across the door to lock it from the inside.
    把门闩滑过去,从里面把门锁住。
展开其余 1 条例句
  1. One of the bolts holding the shelf had worked loose.
    固定架子的一颗螺栓松了。
n. 闪电;霹雳
a flash of lightning
  1. A bolt of lightning lit up the whole sky for a second.
    一道闪电照亮了整片天空,持续了一秒钟。
  2. The tall tree was struck by a bolt during the storm.
    暴风雨中,那棵高树被一道闪电击中。
展开其余 1 条例句
  1. The news hit her like a bolt from the blue.
    这个消息对她来说犹如晴天霹雳。
v. (马等)惊跑;突然逃跑
(of a horse or person) to run away suddenly and quickly
  1. The horse bolted when it heard the loud gunshot.
    马听到响亮的枪声后受惊狂奔。
  2. The thief bolted through the back door as the police arrived.
    警察赶到时,小偷从后门逃走了。
展开其余 1 条例句
  1. The rabbit bolted into its hole at the first sign of danger.
    兔子一发现危险迹象就钻进洞里。

词源与构词

记忆钩子 bolt 作名词可指“螺栓、插销”或“闪电”;作动词表示“突然逃跑”,a bolt from the blue 指“晴天霹雳”。

词族与关联词

词族(同一词根派生出的不同词性或形式)
  • bolted 用螺栓固定的;受惊逃跑的
    过去分词或形容词,可表示被螺栓固定,也可表示人或动物受惊跑开。
  • bolthole 躲藏处;避难所
    可数名词,指人在遇到麻烦时可以躲藏或逃避的地方。
同义词
  • flee 逃跑;逃离
    bolt 强调突然、快速地逃跑,常因受惊;flee 强调为避开危险或威胁而逃离,语体更正式。
    The villagers fled to higher ground as the river rose. 河水上涨时,村民们逃到地势更高的地方。
反义词
  • stay 停留;留下
    bolt 表示突然跑开;stay 表示留在原地不动,二者动作方向相反。
    Please stay in your seat until the train has stopped. 请留在座位上,直到火车完全停下。
易混词(形近或义近,注意区别)
  • bowl 碗;钵
    bolt 发音为 /bəʊlt/,指螺栓或逃跑;bowl 发音为 /bəʊl/,指碗或大盆,词尾少一个 /t/。
    She filled the bowl with fresh fruit for breakfast. 她在碗里装满新鲜水果当早餐。
常见搭配
  • nuts and bolts 螺母和螺栓;具体细节
    The manager knows the nuts and bolts of how the factory runs. 经理了解工厂运转的具体细节。
  • a bolt of lightning 一道闪电
    A bolt of lightning struck the chimney during the thunderstorm. 雷雨时,一道闪电击中了烟囱。
  • bolt the door 把门闩上
    Remember to bolt the door before you go to bed. 睡觉前记得把门闩上。