铜矿 tóngkuàng copper mine Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: copper mine All meanings 2 tóngkuàng 2 copper mine 1copper ore 1 1 sentence for 铜矿 (tóngkuàng — copper mine) 工程师们正在勘探一座新的大型铜矿。 gōngchéngshī men zhèngzài kāntàn yī zuò xīn de dàxíng tóngkuàng. Engineers are prospecting for a new large copper mine. Source: Dong Chinese Dictionary