动词
中文翻译：拧紧
同义词：
['restrict', 'tighten']
例句：
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1. The car's engineratcheted up as we drove faster.
随着我们开车速度加快，汽车的引擎开始变紧。
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2. The screws on thedoor ratcheted tighter afterbeing tightened.
门上的螺丝在被拧紧后变得更加紧密。
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3. Thebolts on the hinges ratcheted downas the door closed.
铰链上的螺栓在门关闭时变得松动。