吸气，保持躯干前侧长，从髋关节处而不是腰部向前屈身。

Inhale, and keeping the front torso long, lean forward from the hip joints, not the waist.

youdao

该椭圆的长轴在吸气孔附近，相对于吸气孔的偏转角度较佳为两侧各10度范围内。

The deflection Angle of the long shaft of the oval relative to the aspiration hole is preferably 10 degree at both sides.

youdao

该椭圆的长轴在吸气孔附近，相对于吸气孔的偏转角度较佳为两侧各10度范围内。

The deflection Angle of the long shaft of the oval relative to the aspiration hole is preferably 10 degree at both sides.

youdao