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hafnium ['hæfniəm]    我要挑错精准翻译

参考词典中hafnium的常规释义:

基本释义
  • n. 铪
英英解释
  •  1个名词解释

    1. a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
      [同] hafnium, hf, atomic number 72
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