air traffic clearance
常见例句
- Owing to the heavy air traffic, we'll wait until a take-off clearance is given.
由于空中航路拥挤，我们要等待通行许可才能起飞。 - The aircraft door has been closed, but there is a lot of traffic now, so we have to wait for the clearance from the air traffic control tower.
我们的飞机虽然关门了，但这时候起飞的飞机比较多，我们还需要等待塔台部门的指挥。
blog.sina.com.cn - Russian officials say they gave the go-ahead to let the plane through despite its improper clearance but the flight crew says Russian air-traffic controllers reportedly turned them back.
FORBES: Focus On The Forbes 500s 返回 air traffic clearance