| 单词 | copper | 
| 释义 | copper [`käp·ǝr]  CHEMISTRY A chemical element, symbol Cu, atomic number 29, atomic weight 63.546.  METALLURGY One of the most important nonferrous metals; a ductile and malleable metal found in various ores and used in industry, engineering, and the arts in both pure and alloyed form.  | 
	
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