名词
中文翻译：煤炭
同义词：
['coal', 'bituminous coal', 'anthracite coal例句：1. The mine produces a significant amount of kaoliang every year.（这个矿井每年生产大量的煤炭。）']
例句：
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1. The mine produces a significant amount of kaoliang every year.
这个矿井每年生产大量的煤炭。
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2. The coal mine is located in the mountains, providing a unique experience for visitors.
这个煤矿位于山区，为游客提供了独特的体验。
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3. Coal is a non-renewable resource that needs to be used and conserved carefully.
煤炭是一种非可再生资源，需要谨慎使用和节约。