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单词 ytterbiums
释义

ytterbium /i-tûrˈbi-əm/

noun
  1. A metallic element (symbol Yb; atomic no 70), a member of the rare-earth group
  2. The name orig given to a substance later shown to consist of a mixture of this and lutetium
ORIGIN: From Ytterby, Sweden, where it was discovered

ytterˈbia noun

Ytterbium oxide (Yb2O3)

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更新时间:2024/12/22 23:47:23