高空生物学

例句：

1. 1. The bird soared aerially above the city.
   那只鸟在城市上空飞得很高。
2. 2.He was aloft in the clouds with the wind blowing through his hair.
   他在云层中飞翔，风吹拂着他的头发。
3. 3.The pilot had to aloft the plane safely before landing.
   飞行员必须在着陆前将飞机安全地升空。