名詞 flyover:

1. bridge formed by the upper level of a crossing of two highways at different levels
   同義詞：overpass, flypast
2. a flight at a low altitude (usually of military aircraft) over spectators on the ground
   同義詞：fly-by, flypast

1. Cross-roads will not exist on these new highways, but will be replaced by bridges and flyovers.
   新公路上將沒有十字路口，而代之以過街橋和立交橋。