air heading

例句：

1. 1.The airline has announced a new air heading for the route.
   航空公司已经宣布了这条航线的新航向。
2. 2.The pilot navigated the aircraft through the air heading.
   飞行员通过航向导航飞机。
3. 3.The flight was delayed due to the air heading being too congested.
   由于航线过于拥挤，航班延误了。