You must do more exercise, at least twice a week.
你必须多锻炼,每周至少锻炼两次。
Teenagers don't do enough exercise.
青少年运动量不够。
You should try to combine exercise with a healthy diet.
你应该把锻炼和健康饮食结合起来。
Try to exercise as often as possible.
尽可能经常锻炼。
A gentle form of exercise will increase your ability to relax.
和缓的运动锻炼会提高自我放松的能力。