copper bar

• 铜棒

copper bar的用法和样例：

例句

1. Heating a copper bar will cause it to expand.
   加热一根铜棒会使它膨胀。
2. In Anterwerp, all the copper bars were brought alongside by lorries.
   在安特卫普，所有铜条都是用载货卡车运送的。