Sit in any comfortable posture with back, neck and head in one line.

选择任何舒适的坐姿，背部，颈部，头成一条直线。

youdao

Had always wanted one of the most comfortable living in the end is.

常常想一个最舒适的生活到底是什么。

youdao

Had always wanted one of the most comfortable living in the end is.

常常想一个最舒适的生活到底是什么。

youdao