他说在楼梯间里做间歇性训练，只需要进行一分钟的高强度运动。

Stairwell interval training requires only one minute of strenuous exertion, he says.

youdao

他说在楼梯间里做间歇性训练，只需要进行一分钟的高强度运动。

Stairwell interval training requires only one minute of strenuous exertion, he says.

youdao