Copper

Copper just above its melting point keeps its pink luster color when enough light outshines the orange incandescence color.

Unoxidized copper wire (left) and oxidized copper wire (right).

Copper is a chemical element with symbol Cu (from Latin:cuprum) and atomic number 29. It is a soft, malleable and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a reddish-orange color. It is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys.

单词	Copper bracelet
释义	Copper bracelet 原声例句 The Jungle Book She wore copper bracelets, and her hair was slightly gray. 她戴着铜手镯，头发有些花白。经济学人（汇总） On his wrist the plain watch with its brown leather strap, and the copper bracelet he wore to ease the rheumatism that so plagued his later years. 他的手腕上戴着一块棕色皮带的普通手表，还有一只铜手镯，以缓解让他晚年饱受折磨的风湿病。英语百科 Copper Copper is a chemical element with symbol Cu (from Latin:cuprum) and atomic number 29. It is a soft, malleable and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a reddish-orange color. It is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys.
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Copper bracelet

Copper