名词
中文翻译：煤坑
同义词：
['coal pit', 'coal cellar']
例句：
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1.The miners had to work in thecoal seat for hours on end.
矿工们不得不在煤坑里工作数小时。
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2.The coal seat was filled with a thicklayer of dust.
煤坑里堆满了厚厚的灰尘。
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3. The workers were forced to spendtheir nights in the coal seat.
工人们被迫在煤坑里过夜。