Only 30 minutes, 3 times per week, of moderate intensity cardiovascular workout is all that it takes.

只要30分钟，每周3次，中等强度的心血管锻炼就这么多。

youdao

Only 30 minutes, 3 times per week, of moderate intensity cardiovascular workout is all that it takes.

只要30分钟，每周3次，中等强度的心血管锻炼就这么多。

youdao