锻炼可以用英语表示为 "exercise"。这个词源自拉丁语的 "exercitare"，意思是 "to keep busy" 或 "to train".

例句：

I pke to exercise every morning to start my day off right. (我喜欢每天早上锻炼，以便开始一天的工作。)
Exercise is important for maintaining good physical health. (锻炼对保持身体健康很重要。)
She exercises regularly to stay in shape. (她定期锻炼以保持身材。)

你也可以用不同的动词来表示锻炼，例如 "work out" 或 "train"。

例句：

I usually work out at the gym three times a week. (我通常每周在健身房锻炼三次。)
She trains hard every day to prepare for the marathon. (她每天都努力训练，为马拉松做准备。)