- 1. Abdomen drawing as far as possible, but keeping carrying on eupnea, doing not feel suffocated.
- 将腹部尽量吸进，但要继续进行正常呼吸，不要憋气。
来自互联网
- 2. Abdomen drawing as far as possible, but keeping carrying on eupnea, doing not feel suffocated.
- 将腹部尽量吸进，但要继续进行正常呼吸，不要憋气。
来自互联网
