angular cheilitis 角口炎
mucosal fissure 粘膜裂隙
lip fissure 唇裂
dry mouth 口干
A: Doctor, I have a painful oral fissure near my lip.
A：医生，我的唇边有一个很疼的裂口。
B: It looks like an oral fissure caused by dryness; I will prescribe some ointment.
B：看起来是干燥引起的口腔裂口；我会给你开一些软膏。
1) 口腔粘膜上的裂缝
2) 唇角部的裂口
3) 医学上的裂隙现象
1. 口腔裂隙；口唇裂缝
noun
1. A crack or split in the skin or mucous membrane within or around the mouth.
Synonym: mouth crack, lip fissure