运动下唇做显露下牙龈状动作此时可感到颈部肌肉的紧张力量不足时用手指轻压下颌皮肤协助运动。

Lower lip movement under the gums to do reveal like action then you can feel the neck muscle tension lack of strength when the lower jaw with your fingers Gently press skin to assist the movement.

youdao

运动下唇做显露下牙龈状动作此时可感到颈部肌肉的紧张力量不足时用手指轻压下颌皮肤协助运动。

Lower lip movement under the gums to do reveal like action then you can feel the neck muscle tension lack of strength when the lower jaw with your fingers Gently press skin to assist the movement.

youdao