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  1. snap roll

    • IPA[ˈsnap ˌrōl]
    • n.
      a maneuver in which an aircraft makes a single quick revolution about its longitudinal axis while flying horizontally.
    • noun: snap roll, plural noun: snap rolls

    • 更多解釋
    • n.
      a manoeuvre in which an aircraft makes a single quick revolution about its longitudinal axis ...

    Oxford Dictionary