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n.铜;铜币;紫铜色;警察adj.铜制的;vt.镀铜; 变形: 复数:coppers 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 variou