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单词 rare earth
释义 Noun: rare earth  rehr urth
  1. Any element of the lanthanide series (atomic numbers 57 through 71)
    - rare-earth element, lanthanoid, lanthanide, lanthanon

Derived forms: rare earths

Type of: group, grouping

Encyclopedia: Rare earth

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更新时间:2024/12/21 18:28:46