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
-
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。
-
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
-
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
-
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。
-
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
-
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
-
The horse bolted when it heard the loud gunshot.
马听到响亮的枪声后受惊狂奔。
-
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
-
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。