The referee shook his head. "But now the other side's complaint is in the first place, you have to give a reasonable explanation, otherwise the next game can't go on." In fact, he himself wanted to know the answer, but also helped thousands of people on the scene to ask this question.

Hanzi smiled and said, "When you get to know the basketball as a part of your body, you can control basketball most thoroughly. It is well known that the rotation of a circular object can produce tremendous impetus, and when its speed reaches a certain upper limit, it will produce indestructible force, and can change at will under...