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  1. Oxford American Dictionary

    gamma rays

    • IPA[ˈɡamə rāz]
    • plural
      penetrating electromagnetic radiation of a kind arising from the radioactive decay of atomic nuclei.

    • noun: gamma ray, plural noun: gamma rays

    • 更多解釋

    gamma rays

    • plural
      penetrating electromagnetic radiation of a kind arising from the radioactive decay of atomic nuclei.

    Oxford Dictionary