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n.铜( copper的名词复数 )；铜币； 双语释义：n.(名词)[U]铜 a metal with a color between brown and red[C]铜币 a coin of low value made of copper英英释义： coppern.a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is th
