当车轮停止转动的时候，它向前运动，同时也在转动。

So, as the wheel stops rotating, well, of course, it moves forward, and so it turns on itself.

youdao

当车轮停止转动的时候，它向前运动，同时也在转动。

So, as the wheel stops rotating, well, of course, it moves forward, and so it turns on itself.

youdao