铜比其他材料导电性能好。
Copper conducts electricity better than other materials.

铜的导电性比铁强。
Copper conducts electricity better than iron does.

黄铜是铜和锌的合金。
Brass is an alloy of copper and zinc.

铜已被抛光。
The copper has been burnished.

铜的化学符号是Cu。
The chemical symbol for copper is "Cu".

墙上挂着装饰性的铜盘。
Ornamental copper pans hung on the wall.

硫酸铜溶液是什么颜色？
What color is copper sulfate solution?

铜的电阻比铅的小。
Copper has less resistance than lead.