copper

英 [ˈkɒpə(r)]

美 [ˈkɑːpər]

n. 铜; 铜币; 警察

复数：coppers　现在分词：coppering　过去式：coppered　第三人称单数：coppers　过去分词：coppered　

Collins.2 / BNC.3656 / COCA.5053

牛津词典

noun

铜
a chemical element. Copper is a soft reddish-brown metal used for making electric wires, pipes and coins
1. a copper mine
  铜矿
2. copper pipes
  铜管
3. copper-coloured hair
  红棕色的头发
铜币
brown coins that do not have much value
1. I only paid a few coppers for it.
  我只花了几个铜板买下这东西。
警察
a police officer

N-UNCOUNT 铜
Copperis reddish brown metal that is used to make things such as coins and electrical wires.
1. Chile is the world's largest producer of copper.
  智利是世界上最大的产铜国。
2. ...a copper mine.
  铜矿
ADJ 铜色的;紫铜色的;红棕色的
Copperis sometimes used to describe things that are reddish-brown in colour.
1. His hair has reverted back to its original copper hue.
  他的头发又变回原来的淡红棕色。
铜板;铜币
Coppersare brown metal coins of low value.
N-COUNT 警察
Acopperis a policeman or a policewoman.
1. ...your friendly neighbourhood copper.
  你们友善的社区警察

noun

any of various small butterflies of the family Lycaenidae having coppery wings
a reddish-brown color resembling the color of polished copper
Synonym:copper color
uncomplimentary terms for a policeman
Synonym:bullcopfuzzpig
a copper penny
a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element
Synonym:Cuatomic number 29

verb

Which is the most conductive: iron, copper or silver?
铁、铜和银，哪种传导性最好？
Bronze is an alloy of copper and tin
青铜是铜和锡的合金。
Among the mineral deposits of the province, tin occupies first place; copper comes second.
该省矿藏，以锡最多，铜次之。
Metals commonly mixed with gold are nickel, platinum, and copper.
通常与金混合的金属有镍、铂和铜。
Miners in Zambia's northern copper belt have gone on strike
赞比亚北部铜矿带的矿工已经罢工了。
Plastic and rubber won't conduct electricity, but copper will.
塑料和橡胶不导电，但铜可以。
The stainless tubing is less likely to kink than copper, but it is harder to solder without an acid treatment.
不锈钢管比铜管不易纠结，但不经酸性处理焊接较困难。
They produced Brass by the fusion of copper and zinc.
他们通过铜和锌的熔合来制造黄铜。
Copper turns green as it weathers.
铜暴露在自然环境中就变绿。
He makes decorative vessels in copper, stainless steel and silver.
他用铜、不锈钢和银制造装饰性器皿。