copper
/ˈkɑpər/
a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor
中文释义：铜
Copper is widely used in electrical wiring due to its excellent conductivity.
铜因其优良的导电性而被广泛用于电线。
The statue was made of copper and had turned green over time.
这座雕像由铜制成，随着时间的推移变成了绿色。