名词中文翻译
中文翻译：树皮煤同义词
同义词：
['coal', 'bituminous coal']
例句：
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1. The bark of the tree isused to make a type of wood-based fuel.
树皮被用来制作一种基于木材的燃料。
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2. Coal mining is animportant industry in many countries.
煤炭开采是许多国家的重要产业。
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3. The bark of the treecontains essential oils that can be used formedicinal purposes.
树皮中含有可以用于药用的精油。