UAS

例句：

1. 1.The UAS is a new type of aircraft that can fly at high altitudes.
   UAS是一种新型飞机，可以在高海拔飞行。
2. 2.The UAS has revolutionized the way we travel and will continue to change the world.
   UAS已经改变了我们旅行的方式，并且将继续改变世界。
3. 3. The UAS has made it possible for people to travel faster and more efficiently.
   UAS使得人们能够更快、更有效地旅行。