他们可以通过运动来健身。

They can build their body through exercise.

youdao

她们并没有去昂贵的健身房健身，而是多走路来健身。

But they aren't joining pricey gyms to do this. They simply walk more.

youdao

很多学生还通过慢跑、有氧体操、负重训练等方式来健身。

Many students are also keeping fit through jogging, aerobics, weight training, and the like.

youdao

You could use the "Why don't we" pattern to suggest that you both join a gym together.

你可以使用“Why don't we~?”句型来提出你们俩一起去健身的想法。

Why don't 课堂 - SpeakingMax英语口语达人