好词典

bolts

UK //bəʊlts//US //boʊlts//

词源

源自古英语 'bolt',意为箭或门闩,后引申为螺栓和闪电。

noun

❶ 螺栓,一种带有螺纹的金属紧固件,通常与螺母配合使用,用于连接或固定物体。

“He tightened the bolts on the machine to prevent it from shaking.”

(他拧紧了机器上的螺栓,以防止它晃动。)

“The bolts on the bridge need regular inspection for safety.”

(桥梁上的螺栓需要定期检查以确保安全。)

❶ 闪电,指突然而强烈的放电现象,常伴随雷声。

“The sky was lit up by bolts of lightning during the storm.”

(暴风雨期间,闪电划破了天空。)

“A sudden bolt of lightning struck the tree.”

(一道闪电突然击中了那棵树。)

同义词:fasteners, screws, lightning

verb

❶ 突然逃跑或快速移动,通常因受惊或紧张。

“The horse bolted when it heard the loud noise.”

(马听到巨响后突然逃跑了。)

“She bolted out of the room when she saw the spider.”

(她看到蜘蛛后迅速跑出了房间。)

❶ 用螺栓固定或紧固某物。

“He bolted the shelves to the wall to make them secure.”

(他用螺栓将架子固定在墙上以确保稳固。)

“The workers bolted the metal plates together.”

(工人们用螺栓将金属板固定在一起。)

同义词:dash, flee, fasten, secure

常见短语

nuts and bolts — 基本要素或细节,常用于描述事物的核心部分或实际操作。

“He explained the nuts and bolts of the project to the new team members.”

(他向新团队成员解释了项目的基本要素。)

bolt upright — 形容突然坐直或站直,通常因惊讶或警觉。

“She sat bolt upright when she heard the strange noise.”

(她听到奇怪的声音后突然坐直了。)