midair

例句：

1. 1.The plane took off from the midair before landing.
   飞机在起飞前从中途降落。
2. 2.Midair is a popular destination for tourists.
   中空是游客的热门目的地。
3. 3.The pilot had to make an emergency midair landing.
   飞行员不得不紧急进行中途降落。