单词 采铜 例句 DEFINITIVE EXAMPLES 权威例句〔mine〕Copper has been mined here since the sixteenth century.从16世纪起这里就开始开采铜。朗文当代They will mine copper there in the valley. 他们将在那边的山谷开采铜矿。译典通 英语例句辞典收录了559068条英语例...