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	Red metal
释义	Red metal 原声例句著名历史人物传记 Each day, she receives piles of reading material encased in red metal boxes. 她每天都要收到装有许多阅读材料的红色金属箱。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.
随便看	nechoes的意思 Necho I的意思 Necho II的意思 Nechtan的意思 nechtans的意思 Nechung Oracle的意思 NECI的意思 necial的意思 NECIC的意思 necic acid的意思 necic acids的意思 necik的意思 necine的意思 necine的意思 Necip的意思 NECIS的意思 Necitumumab的意思 neck的意思 necka的意思 Neck Ache的意思 neckache的意思 neckaches的意思 Neck Aches的意思 neck adornment的意思 Neckam, Alexander的意思

Red metal

Copper