When you spin the liquid inside also spins. The difference is that when you stop, the liquid continues to spin for a while. Dizziness is the result.

• 你旋转的时候,耳朵里面的流体也跟着旋转。不同的是,你停止的时候,这些流体还会持续旋转一段时间。所以你会有眩晕的感觉。