例句與造句

1. Sliding also requires an efficient and precise use of body weight in order to be fully effective.
2. His geocycle, by contrast, with the rider standing rather than sitting, walking rather than pedaling, makes full use of body weight and muscles and requires less effort than a conventional bicycle, he says.
3. It's difficult to find use of body weight in a sentence. 用use of body weight造句挺難的