名词中文翻译
中文翻译：冲头
同义词：
['bolt', 'screw', "fastener例句：1. The car's engine is a bit loose; I need to flush the nuts.（汽车的引擎有点松，我需要拧紧螺母。）"]
例句：
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1. The car's engine is a bit loose; I need to flush the nuts.
汽车的引擎有点松，我需要拧紧螺母。
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2. He tightened the bolts on the door before he left.
他离开前把门上的螺栓拧紧了。
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3. The screws holding the shelves together are rusted and need to be flushed.
支撑架子的螺丝生锈了，需要拧紧。