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  1. Oxford Dictionary

    tritium

    • IPA[ˈtrɪtɪəm]

    英式

    • n.
      a radioactive isotope of hydrogen with a mass approximately three times that of the usual isotope.

    • noun: tritium

    • 更多解釋

    tritium

    • IPA[ˈtridēəm]

    美式

    • n.
      a radioactive isotope of hydrogen with a mass approximately three times that of the common ...

    Oxford American Dictionary