borehole aeration : facial > corners of the mouth
Contents
zuǐ jiǎo
  Connected on both sides of the part on the lower lip
Translated by Google
Matter labium Two ends join
  Junctions at both ends of upper and lower lip. Mao Dun, "a woman": "a smile floating Qionghua's mouth." Cao Yu "Sunrise" first act: "Her eyes were beautiful and moving, a sarcastic smile always hanging in the corner of his mouth." Guo Xiaochuan "old employee" Poetry : "old man, old man, how did you fall on the wolf's mouth."
Translated by Google
English Expression
  1. n.:  corners of the mouth