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  1. superelevation

    • IPA[ˌso͞opərˌeləˈvāSHən]

    美式

    • n.
      the amount by which the outer edge of a curve on a road or railroad is banked above the inner edge.
    • noun: superelevation, plural noun: superelevations

    • 更多解釋
    • IPA[ˌsuːpərˌɛlɪˈveɪʃn]

    英式

    • n.
      the amount by which the outer edge of a curve on a road or railway is banked above the inner edge.

    Oxford Dictionary