gyrotiller

例句：

1. 1. Thegyroscope is used to measure therotation of a spacecraft.
   陀螺仪用于测量航天器的旋转。
2. 2. The compass helped him find hisway back to the campsite.
   指南针帮助他找到了回营地的路。
3. 3.The gyroscope was used inthe navigation system of the aircraft.
   陀螺仪被用于飞机的导航系统。