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  1. Oxford American Dictionary

    petrology

    • IPA[pəˈträləjē]

    美式

    • n.
      the branch of science concerned with the origin, small-scale structure, and composition of rocks.

    • noun: petrology

    • 更多解釋

    petrology

    • IPA[pɪˈtrɒlədʒi]

    英式

    • n.
      the branch of science concerned with the origin, structure, and composition of rocks.

    Oxford Dictionary