copper

Most electrical wires in your home are made of copper because it carries current well.

(Chinese) 你家里的大多数电线都是由铜制成的，因为它导电性能良好。

The statue was originally made of shiny copper, but over time it turned green.

(Chinese) 这座雕像最初是由闪亮的铜制成的，但随着时间的推移它变绿了。