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  1. Oxford American Dictionary

    impactor

    • IPA[imˈpaktər]

    美式

    • n.
      an object (such as a meteorite) which collides with another body.

    • noun: impactor, plural noun: impactors

    • 更多解釋

    impactor

    • IPA[ɪmˈpaktə]

    英式

    • n.
      an object (such as a meteorite) which collides with another body.

    Oxford Dictionary