名词
中文翻译：蓝领工人
同义词：
['blue-collar worker', 'blue-collar class例句：1. The blue-collar workers are the backbone of the economy.（蓝领工人是经济的基础。）']
例句：
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1. The blue-collar workers are the backbone of the economy.
蓝领工人是经济的基础。
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2. Many blue-collar jobs require physical labor and heavy lifting.
许多蓝领工作需要体力劳动和举重。
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3.The blue-collar worker's life is often more challenging than that of a white-collar worker.
蓝领工人的生活往往比白领工人更具有挑战性。