1. 不可数名词：铜
2. 可数名词：铜币
3. 可数名词：铜制品 词形变化
- 形容词 coppery
- 时态 coppered，coppering，coppers
- 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
- a copper penny
- any of various small butterflies of the family Lycaenidae having coppery wings
- a reddish-brown color resembling the color of polished copper
- coat with a layer of copper
- uncomplimentary terms for a policeman
copper是什么意思,copper的中文翻