Fries had a different hypothesis: he thought regular exercise would extend high-quality, disability-free life.

而Fries持不同观点：他认为常规锻炼会延长高质量的自主生活时间。

youdao

Fries had a different hypothesis: he thought regular exercise would extend high-quality, disability-free life.

而Fries持不同观点：他认为常规锻炼会延长高质量的自主生活时间。

youdao