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　

CET4CET6考研TOEFLTEM4TEM8化学

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

柯林斯词典

• 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

英英释义

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

• coat with a layer of copper

双语例句

• As new mines come on stream, Chile's share of world copper output will increase sharply
  新矿投产后，智利在世界铜产量中所占的份额将大幅增加。
• Chile is the world's largest producer of copper.
  智利是世界上最大的产铜国。
• Although hit by the flood, they did not ask for a single copper from the state.
  尽管遭了水灾，他们却没有向国家伸手要一分钱。
• Copper and zinc are fused to make brass.
  铜与锌熔合成黄铜。黄铜是铜和锌的合金。
• Copper is a good conductor of heat.
  铜是热的良导体。
• 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。
• Copper nails are better than iron nails because the iron rusts
  铜钉比铁钉好，因为铁会生锈。
• His hair has reverted back to its original copper hue.
  他的头发又变回原来的淡红棕色。
• Chemical analysis revealed a high content of copper.
  化学分析显示铜的含量很高。