noun🔗Share煤矿，矿井 An underground coal mine, together with its surface buildings.""Many towns in that region grew and prospered because of the collieries, which provided jobs for generations." "那个地区的许多城镇都因煤矿而发展繁荣，这些煤矿为一代又一代人提供了工作机会。geologybuildingindustryworkpropertyplaceChat with AIVocabulary GamePractice Reading
noun🔗Share煤矿， 煤矿场 A facility that supplies coal."The train cars were filled with coal from the collieries, ready to power the city's factories. "火车的车厢里装满了来自煤矿场的煤，准备为城市的工厂提供动力。industrybuildingfuelplaceChat with AIVocabulary GamePractice Reading
