名词
中文翻译：夹紧器
同义词：
['clamp', 'clamp', 'clamp down', 'clamp down on', 'clamp down on something']
例句：
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1. The car was so tightly packed that the doors wouldn't open.
这辆车挤得紧紧的，门都打不开。
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2. He used a clamp to hold the wires together.
他用一个夹子来固定电线。
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3. The workers had to clamp down on the workers who were causing trouble.
工人们不得不对那些制造麻烦的人进行控制。