1·He has always been very keen on doing physical exercises.
他锻炼身体一向很积极。
—— 《新英汉大辞典》
2·People not only keep fit or keep a good shape through doing more physical exercises, but also through making friends who have the similar interests.
人们不但可以通过加强锻炼，而且能够通过结交志同道合的朋友来保持健康和维持身材。
3·Physical exercises develop muscle.
运动强健肌肉。
4·Do you often do physical exercises?
是，我经常做体育运动。
5·Others turn to intensive physical exercises for help.
其他人求助于加强体育锻炼。
6·I have a better appetite after doing physical exercises.
体育锻炼后，我的胃口大开了。
7·Doing physical exercises makes me stronger and healthier.
做运动让我变得更坚强、更健康。
8·We wear plimsolls when doing physical exercises at school.
我们在学校运动时都穿帆布球鞋。
9·So, the high school students should do physical exercises.
所以，高中生应该锻炼身体。
10·Physical exercises can increase the circulation of the blood.
体育锻炼能够加速血液循环。