Inhale, return to start position one segment at a time and repeat to other side.

吸气，逐节逐节的回到起始位置，换另一边重复。

youdao

Inhale, return to start position one segment at a time and repeat to other side.

吸气，逐节逐节的回到起始位置，换另一边重复。

youdao