copper

copper1
noun
  1. [mass noun]a red-brown metal, the chemical element of atomic number 29(Symbol: Cu)
    铜(符号: Cu)
  2. Copper was the earliest metal to be used by humans, first by itself and then later alloyed with tin to form bronze. A ductile easily worked metal, it is a very good conductor of heat and electricity and is used especially for electrical wiring
  3. (coppers)(Brit.)brown coins of low value made of copper or bronze
    (英)（小面值）铜币
    ■(dated)a large container made of copper or iron for boiling or washing
    (旧)（烧水或洗衣用的）大铜锅；大铁锅
  4. [mass noun]a reddish-brown colour like that of copper
    铜色的
  5. [with modifier]a small butterfly with bright reddish-brown wings
    灰蝶
  6. Genus Lycaena, family Lycaenidae: many species
    灰蝶属，灰蝶科，多种
verb
  1. [with obj.]cover or coat (something) with copper
    用铜皮包；镀铜
语源
  1. Old English copor, coper (related to Dutch koper and German Kupfer), based on late Latin cuprum, from Latin cyprium aes 'Cyprus metal' (so named because Cyprus was the chief source)
copper2
noun
  1. (Brit. Informal)a police officer
    (英，非正式)警察
语源
  1. mid 19th cent.: from cop + -er
英语宝典
热门查询
英语宝典
考试词汇表
　
返回
搜单词
背单词