n.铜，铜币，警察
adj.铜(制)的，(紫)铜色的

原形：copper复数：coppers

Iron casts better than copper.
铁比铜更易于浇铸。
Beat the copper into this shape.
把铜打成这个形状。
Brass is an alloy of copper and zinc.
黄铜是铜和锌的合金。
I know he is a plain-clothes copper.
我知道他是个便衣警察。
Copper carries electricity.
铜能导电。
Copper is a reddish-brown metal with excellent conductivity.
铜是一种红棕色的金属，具有极好的导电性能。
The Statue of Liberty is made of copper, which has weathered beautifully over time.
自由女神像是由铜制成的，随着时间的推移，铜的耐候性非常好。
Electrical wires are commonly insulated with a thin layer of copper.
电线通常用一层薄薄的铜来绝缘。
She polished the old copper coin to reveal its original shine.
她打磨那枚旧铜币，使其恢复了原有的光泽。
The ancient civilization used copper for tools and weapons.
古代文明使用铜制造工具和武器。
Copper is often used in plumbing systems due to its durability.
铜常用于水管系统，因为其耐用性。
The chef heated the copper-bottomed pan on the stove.
厨师在炉子上加热了铜底锅。
Copper conducts heat better than most other metals, making it ideal for cookware.
铜比大多数其他金属更好地传导热量，因此非常适合做炊具。
The archaeologist discovered a trove of copper artifacts from the prehistoric era.
考古学家发现了一批史前时期的铜制文物。
The jewelry designer created a stunning piece with intricate copper details.
珠宝设计师创作了一件精美绝伦的首饰，上面镶嵌着精细的铜饰。