n.traffic created by the movement of aircraft

1. Heavy air traffic can cause delays in flight departures and arrivals.
   繁忙的空中交通可以導致航班起降延誤。
2. Air traffic is managed by a coordinated system to avoid collisions between aircraft.
   空中交通由一個協(xié)調系統(tǒng)管理以避免飛機間的碰撞。
3. During holidays, increased air traffic leads to busier airports.
   節(jié)假日期間，空中交通的增加使得機場更為繁忙。