fly·past /-ˌpæst/
  空中分列,致禮飛行
  flypast
       n 1: bridge formed by the upper level of a crossing of two
            highways at different levels; "an overpass is called a
            flyover or a flypast in England" [syn: overpass, flyover]
       2: a low-altitude flight (usually of military aircraft) over
          spectators on the ground [syn: flyover]