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单词 ammonia alum
释义 Noun: ammonia alum
  1. A white crystalline double sulphate of aluminium: the ammonium double sulphate of aluminium
    - alum, ammonium alum

Derived forms: ammonia alums

Type of: Al, aluminium [Brit, Cdn], aluminum [N. Amer], atomic number 13, double salt

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更新时间:2024/12/30 21:18:46