名词
中文翻译：Unknown
同义词：
['law enforcement officer', 'policeman']
例句：
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1. The policemen were busy investigating the crime scene.
警察们正在忙于调查犯罪现场。
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2. The law enforcement officers are responsible for maintaining public order.
执法官员负责维护公共秩序。
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3. The policemen were called to the scene immediately after the accident.
事故发生后，警察立即被召到现场。