释义
n.
[mass noun]a red-brown metal, the chemical element of atomic number 29. (Symbol: Cu)
铜(符号: <Bold><Bold>Cu</Bold></Bold>)。
(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〉 (烧煮或洗东西用的)铜制(或铁制)大容器。
[mass noun]a reddish-brown colour like that of copper
紫铜色。
[with modifier]a small butterfly with bright reddish-brown wings
灰蝶,铜色蝶。
v.
cover or coat (something) with copper
用铜包;给…镀铜。
n.
Brit. Informal a police officer
〈英, 非正式〉 警察。
词源
"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).mid 19th cent.: from COP1 + -ER1."