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  1. tail fin

    • n.
      a fin at the posterior extremity of a fish's body, typically continuous with the tail.;a projecting vertical surface on the tail of an aircraft, providing stability and typically housing the rudder.
    • noun: tail fin, plural noun: tail fins

    • 釋義

    名詞

    • 1. a fin at the posterior extremity of a fish's body, typically continuous with the tail.
    • 2. a projecting vertical surface on the tail of an aircraft, providing stability and typically housing the rudder.
    • 3. an upswept projection on each rear corner of a car, popular in the 1950s.