The exercise period was similar to the previous study.

运动周期类似前面的研究。

youdao

The length of the exercise period should also be reduced if there is discomfort.

只要感到不自在，就该缩短练习的时间。

youdao

The length of the exercise period should also be reduced if there is discomfort.

只要感到不自在，就该缩短练习的时间。

youdao