And then I will show you that that can be converted back into forward motion in this case, it's very easy because the flywheel itself is the wheel.

然后我将给你们展示，它是如何转化到，接下来的行动中的，在这个例子中很简单，因为飞轮就是车轮。

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A stroke or motion, as of a racket, made with the back of the hand facing outward and the arm moving forward.

反手击球如球拍等的一击或一动，手背向外，胳膊向前移动。

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