名词
中文翻译：Unknown
同义词：
['policeman', 'police officer', 'patrolling officer']
例句：
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1. The patrol man was very helpful in solving the mystery.
巡逻员在解决这个谜题中非常有帮助。
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2. He is a patrol man and has been assigned to patrol the area around the school.
他是一个巡逻员，被分配到学校周围的区域进行巡逻。
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3. The patrol man noticed a suspicious person entering the building.
巡逻员注意到一个可疑的人进入大楼。