名词 coppersmith:

1. someone who makes articles from copper

copperheadn.铜斑蛇；南北战争时同情南方的北方人coppern.铜；铜币；警察；紫铜色；有紫铜色翅膀的小蝴蝶vt.镀铜copper and aluminum composite plate铜铝复合板copper chloride-oxygen sweetening氯化铜-氧脱硫醇copper-cobalt bimetallic catalyst铜钴双金属催化剂Copper-containing mine acid water酸性含铜废水Copper- bearing gold concentrates铜金精矿Copper Rod Breakdown Machine Series铜拉线机系列copper ores with carbonaceous gauge碳质脉石铜矿copper concentics contains the gold铜精矿含金copper corrlsion-inhibited grease防铜腐润滑脂Copper conducts electricity well.铜是电的良导体。