This gravity-using snap-in marble table, out of 10 points, how many points do you score?
18759566040@139.com2023-05-30T08:31:45+00:00We all know that gravity is inextricably linked to our daily lives. Because of gravity, the atmosphere and oceans can flow; Because of gravity, everything around us, such as people, furniture, cars, etc., can stay on the surface and not float everywhere. It can be said that gravity maintains people's normal daily life. Such an