fly on

例句：

1. 1. The plane is flying on the clouds.
   飞机正在云层中飞行。
2. 2. She flewon her own to the other side ofthe country.
   她独自飞往了国家的另一侧。
3. 3. The bird took off from itsperch and flew away.
   那只鸟从它的栖息地起飞并飞走了。