flyover

名词 flyover:

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

1. Cross-roads will not exist on these new highways, but will be replaced by bridges and flyovers.
   新公路上将没有十字路口，而代之以过街桥和立交桥。