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[U] a chemical element that is a red-brown metal. Its symbol is Cu and it is used especially for making wire or pipes. (尤用于制造电线或管子的)铜,紫铜,红铜 a copper pipe/pan/kettle 铜管/铜锅/铜壶
Her hair was the colour of copper. 她的头发呈紫铜色。
Synonyms and related words
Metals: aluminium, aluminum, barium...