才能保持身体健康用英语怎么说

才能保持身体健康的英文表达为 "to maintain good health"。

这句话的来源是英文的基本语法，其中“to maintain”是动词，意思是维持、保持，而“good health”则是名词短语，意思是健康状况。

例句:

I try to maintain good health by eating well and exercising regularly. (我通过健康饮食和经常锻炼来保持身体健康。)
She maintains good health by practicing yoga every day. (她通过每天练习瑜伽来保持身体健康。)
He believes that maintaining good health requires a balance of diet and exercise. (他认为保持身体健康需要饮食和锻炼的平衡。)