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  1. parabola

    • IPA[pəˈrab(ə)lə]

    英式

    • n.
      a symmetrical open plane curve formed by the intersection of a cone with a plane parallel to its side. The path of a projectile under the influence of gravity follows a curve of this shape.
    • noun: parabola, plural noun: parabolae

    • 更多解釋
    • IPA[pəˈrabələ]

    美式

    • n.
      a symmetrical open plane curve formed by the intersection of a cone with a plane parallel to ...

    Oxford American Dictionary