名词
中文翻译：煤炭工人
同义词：
['coal miner', 'coal worker例句：1. He is a coal miner who has worked in the mine for many years.（他是一个在矿井工作多年的煤矿工人。）']
例句：
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1. He is a coal miner who has worked in the mine for many years.
他是一个在矿井工作多年的煤矿工人。
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2.The coal miners are working hard to ensure the safety of the mine.
煤矿工人正在努力确保矿井的安全。
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3. The coal miners have been facing challenges due to the recent mining accidents.
煤矿工人由于最近发生的矿难而面临挑战。