名词
中文翻译：煤尘
同义词：
['coal dust', 'coal ash', 'coal soot例句：1. The factory is heavily polluted by coal dust.（工厂被煤尘严重污染。）']
例句：
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1. The factory is heavily polluted by coal dust.
工厂被煤尘严重污染。
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2. The workers are exposed to coal dust every day.
工人们每天暴露在煤尘中。
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3. The coal mine has been shut down due to the high levels of coal dust.
由于高浓度的煤尘，煤矿已被关闭。