体育锻炼用英语叫做"exercise"。它来自拉丁语"exercitare"，意思是"to keep in motion, to train, to practice"。一些例句可能包括：

I like to exercise every day to keep my body healthy.

She enjoys running and lifting weights as part of her exercise routine.

Exercise is important for maintaining a healthy mind and body.

He needs to exercise more to improve his cardiovascular health.