flying windmill

• 直升飞机

flying windmill的用法和样例：

例句

1. Enemy helicopters were flying around the fringes of the zone.
   敌人的直升飞机正在这个地区的边缘飞行。
2. These studies led to designs for flying machines,including helicopters and gliders.
   这些研究引发了对于飞行器的设计，包括直升飞机和滑翔机。