名词
中文翻译：底层工人
同义词：
['underground worker', 'laborer']
例句：
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1. The underliers are responsible forthe maintenance of the underground passages.
底层工人负责维护地下通道。
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2. The underliers are often overlookedin discussions about the economy.
在讨论经济时，底层工人往往被忽视。
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3. The underliers have been workinglong hours to meet the demands of theconstruction project.
底层工人一直在加班以满足建设项目的需求。