copperwaren.[总称]铜器coppern.铜；铜币；警察；紫铜色；有紫铜色翅膀的小蝴蝶vt.镀铜copper electrolysis wastewater铜电解废液copper-aluminium welding rod铜铝焊条copper covered steel conductor铜包钢线,钢芯铜线copper acetate meta-arsenite乙酸亚砷酸铜Copper Pipe Links Copper Plats铜管套铜片copper ion selective electrode铜离子选择电极Copper and Copper Alloy Powder铜及铜合金粉新材料copper oxide photovoltaic cell氧化铜光生伏打电池copper mine in Yunnan province云南铜矿Copper alloys casting additive铸造黄铜添加剂

1. He was hammering the sheet of copper flat.
   他正把铜片锤平。
2. Copper plates are imported from Japan,pure silver ingots for plating from Switzerland,and argentic salt and other chemicals from Germany.
   采用日本进口的铜片，镀银用的瑞士纯银条，西德的银监及化工原料等等。