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  1. propulsion

    • IPA[prəˈpəlSHən]

    美式

    • n.
      the action of driving or pushing forward
    • noun: propulsion

    • 釋義
    • 相關詞

    名詞

    • 1. the action of driving or pushing forward they dive and use their wings for propulsion under water
    • n.
      propulsion by the backward ejection of a high-speed jet of gas or liquid.

    Oxford Dictionary

    • n.
      propulsion by the backward ejection of a high-speed jet of gas or liquid.

    Oxford American Dictionary

    • 更多解釋
    • IPA[prəˈpʌlʃ(ə)n]

    英式

    • n.
      the action of driving or pushing forwards: they dive and use their wings for propulsion under water

    Oxford Dictionary