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  1. Oxford American Dictionary

    zero gravity

    • IPA[ˈzɪroʊ]

    美式

    • n.
      the state or condition in which there is no apparent force of gravity acting on a body, either because the force is locally weak, or because both the body and its surroundings are freely and equally accelerating under the force.

    • noun: zero gravity

    • 更多解釋

    zero gravity

    英式

    • n.
      the state or condition in which there is no apparent force of gravity acting on a body, either ...

    Oxford Dictionary