noun🔗Share煤田，产煤区。 Any region containing deposits of coal that may be mined."The Appalachian coalfield provides fuel for many power plants in the eastern United States. "阿巴拉契亚煤田为美国东部地区的许多发电厂提供燃料。geologyareaenvironmentgeographymaterialindustryfuelChat with AIVocabulary GamePractice Reading
