Ability of Exercise的用法和样例：
- The purpose of the study was to investigate the effects of RE-nutriment on serum testosterone and the ability of exercise in swimming mice, common undergraduates and athletes.
- He's taking lots of exercise to get into shape.
- Swimming is a good form of exercise.
- We often do this kind of exercise.
- Jogging is a healthy form of exercise.
- Plenty of exercise will help you keep in shape.