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atomic number 1    我要挑错精准翻译

参考词典中atomic number 1的常规释义:

英英解释
  •  1个名词解释

    1. a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
      [同] h, hydrogen, atomic number 1
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