名词
中文翻译：穿蓝色衣服的人
同义词：
['blue-collar worker', 'blue-collar man例句：1. The men in blue were the first to enter the building.（穿蓝色制服的男士是第一个进入大楼的人。）']
例句：
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1. The men in blue were the first to enter the building.
穿蓝色制服的男士是第一个进入大楼的人。
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2.They were surprised to see a group of men in blue approaching them.
他们看到一群穿蓝色制服的人向他们靠近时感到惊讶。
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3.The men in blue were carrying out an important task.
穿蓝色制服的男士们正在执行一项重要的任务。