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  1. elementary particle

    英式

    • n.
      see particle
    • noun: elementary particle, plural noun: elementary particles

    • 更多解釋
    • IPA[ˈˌeləˈment(ə)rē ˈpärdəkəl]

    美式

    • n.
      any of various fundamental subatomic particles, including those that are the smallest and most ...

    Oxford American Dictionary