
bolts
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。)
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。)
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。)