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  1. Oxford American Dictionary

    thoria

    • IPA[ˈTHôrēə]

    美式

    • n.
      thorium dioxide, a white refractory solid used in making gas mantles and other materials for high-temperature applications.

    • noun: thoria

    • 更多解釋

    thoria

    • IPA[ˈθɔːrɪə]

    英式

    • n.
      thorium dioxide, a white refractory solid used in making gas mantles and other materials for ...

    Oxford Dictionary