名词
中文翻译：煤石
同义词：
['coal', 'bituminous coal', 'anthracite coal例句：1. The mine has been producing metaboghead coal for decades.（这个矿几十年来一直在生产煤石。）']
例句：
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1. The mine has been producing metaboghead coal for decades.
这个矿几十年来一直在生产煤石。
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2. The company's main source of revenue comes from selling metaboghead coal.
这家公司的主要收入来源是销售煤石。
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3. Metaboghead coal is a valuable resource that can be used to generate electricity.
煤石是一种宝贵的资源，可以用来发电。