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copper是什么意思？

copper

英[ˈkɒpə(r)] 美[ˈkɑːpər]
  • 复数：coppers;
    • 相关单词 bonris Coppercopper alloycopper alumCopper Antimony Minecopper bearingcopper brazingcopper clapperscopper coincopper coinscopper facingcopper froth
    例句
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    英语六级真题
    • The materials from e-waste include iron, copper gold, silver, and aluminum—materials that could be reused, resold, salvaged, or recycled.
      2019年6月六级真题（第二套）阅读 Section B
    柯林斯高阶英汉双解学习词典释义
    英汉词典释义
    英英词典释义
    • Noun
      1. 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
      2. a copper penny
      3. uncomplimentary terms for a policeman
      4. a reddish brown the color of polished copper
      5. any of various small butterflies of the family Lycaenidae having copper colored wings
    • Verb
      1. coat with a layer of copper
    行业词典
    • 冶金学： 紫铜；
      医学： 铜；一种微红色，富有延展性的金属，原子序数29，原子量63.54，符号为Cu，能形成有毒盐类。铜元素是营养的必需物质，多种蛋白质的组成部分，包括血浆铜蓝蛋白、红细胞铜蛋白、细胞色素C氧化酶、酪氨酸酶等。铜缺乏(较少见)可引起低色素小细胞性贫血、中性白细胞减少和骨改变；