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  1. Oxford American Dictionary

    yttrium

    • IPA[ˈitrēəm]

    美式

    • n.
      the chemical element of atomic number 39, a grayish-white metal generally included among the rare earth elements.

    • noun: yttrium

    • 更多解釋

    yttrium

    • IPA[ˈɪtrɪəm]

    英式

    • n.
      the chemical element of atomic number 39, a greyish-white metal generally included among the ...

    Oxford Dictionary