aerial height

例句：

1. 1. The plane'saerial height is 20,000 feet above the ground.
   飞机的空中高度是地面以上20,000英尺。
2. 2. The pilotmust maintain a safe aerial heightto avoid collisions.
   飞行员必须保持安全的高度以避免碰撞。
3. 3. The astronautswere able to reach their aerialheight of 100 kilometers beforereturning to Earth.
   宇航员能够达到他们的100公里高空，然后返回地球。