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  1. Oxford American Dictionary

    Perrin, Jean Baptiste

    • IPA[ˈperən]

    美式

    • ph.
      (1870–1942), French physical chemist. He provided the definitive proof of the existence of atoms, proved that cathode rays are negatively charged, and investigated Brownian motion. Nobel Prize for Physics (1926).
    • 更多解釋

    Perrin, Jean Baptiste

    • IPA[pɛˈrã]

    英式

    • ph.
      (1870–1942), French physical chemist. He provided the definitive proof of the existence of ...

    Oxford Dictionary