flight director

例句：

1. 1. The flight directoris responsible for the safety of all passengersand crew during takeoff and landing.
   飞行指挥员负责在起飞和降落期间确保所有乘客和机组人员的安全。
2. 2. The flightdirector must coordinate with the air traffic controlto ensure smooth operations.
   飞行指挥员必须与空中交通管制协调，以确保顺畅的操作。
3. 3. The flight directoris in charge of monitoring theaircraft's systems and ensuring theyare functioning properly.
   飞行指挥员负责监控飞机的系统并确保它们正常工作。