| 词汇 | copper |
| 释义 | copper noun uk/ˈkɒp.ər/ us/ˈkɑː.pɚ/ (METAL) B2 [ U ] (symbol Cu)铜 a chemical element that is a reddish-brown metal, used especially for making wire and coins They mine a lot of copper around these parts. One of the properties of copper is that it conducts heat and electricity very well. [ U ]红棕色，紫铜色 the reddish-brown colour of the metal copper The copper of Rosie's hair shone in the sunlight. 罗茜的头发在阳光下闪着红褐色。 [ C usually plural ] UK informal铜板，铜币 a brown coin of low value I gave him a few coppers. 我给了他几个铜板。
(POLICE) [ C ] UK informal警察 a police officer |
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