1·His lower lip trembled.
他的下唇在颤抖。
—— 《牛津词典》
2·The cigarette hanging carelessly from her lower lip.
随意叼挂在她下唇上的一枝香烟。
3·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.
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。
4·I tightly bite lower lip, a words also can no say it.
我紧咬着下唇，一句话也说不出来。
5·Lower lip numbness is a symptom that may be due to entirely benign causes, or it may be the first sign of a more sinister problem.
下唇麻木是一种症状，可能是由于完全良性的原因，或者它可能是第一个迹象，更险恶的问题。