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单词 lanthanum
释义 Noun: lanthanum  lanthunum
  1. A white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
    - La, atomic number 57

Derived forms: lanthanums

Type of: metal, metallic element

Encyclopedia: Lanthanum

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更新时间:2024/12/21 20:12:15