copper
n. 銅(幣); 警察
adj. 銅色的
Copper is reddish brown metal that is used to make things such as coins and electrical wires.
Chile is the world's largest producer of copper.
智利是世界上最大的產銅國。
...a copper mine.
銅礦
Copper is sometimes used to describe things that are reddish-brown in colour.
His hair has reverted back to its original copper hue.
他的頭髮又變回原來的淡紅棕色。
Coppers are brown metal coins of low value.
A copper is a policeman or a policewoman.
...your friendly neighbourhood copper.
你們友善的社羣警察
1. 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
2. a copper penny
3. uncomplimentary terms for a policeman
4. a reddish brown the color of polished copper
5. any of various small butterflies of the family Lycaenidae having copper colored wings
1. coat with a layer of copper
In addition to copper, there are many other metals which are good conductors.
除了銅之外, 還有很多其他金屬都是良導體.
Copper is a good conductor of heat.
銅是熱的良導體.
Copper wire is flexible.
銅絲易彎曲.
Brass is an alloy of copper and zinc.
黃銅是銅和鋅的合金.
Copper has less resistance to electricity than lead.
銅比鉛的電阻要小.