名词
中文翻译：煤车
同义词：
['coal train', 'coal truck']
例句：
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1.The coal car was loaded with coal from the mine.
这辆煤车装满了从矿井运来的煤炭。
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2. The coal car was a crucial part of the transportation system.
这辆煤车是运输系统的重要组成部分。
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3.The coal car was used to transport coal from the mine to the factory.
这辆煤车被用来将煤炭从矿井运送到工厂。