英文释义

n. a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor

n. a copper penny

n. a reddish-brown color resembling the color of polished copper

n. any of various small butterflies of the family Lycaenidae having coppery wings