名词
中文翻译：煤
同义词：
['coal', 'bituminous coal', 'anthracite coal例句：1. The mine produces a variety of minerals', 'including bony coal.（这个矿场生产各种矿物，包括烟煤。）']
例句：
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1. The mine produces a variety of minerals, including bony coal.
这个矿场生产各种矿物，包括烟煤。
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2.The bony coal is used in the manufacturing process.
烟煤用于制造过程中。
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3. The bony coal has been found to have high energy density.
烟煤被发现具有高能量密度。