Tunica mucosa oris

例句：

1. 1. The doctor examined her mouth and found a small tumor on the Tunica mucosa oris.
   医生检查了她的口腔，发现口腔黏膜上有一个小型肿瘤。
2. 2.During the surgery, the surgeon had to remove the tumor from the Tunica mucosa oris.
   手术期间，外科医生不得不从口腔黏膜上移除肿瘤。
3. 3.After the operation, the patient was advised to keep the area clean and avoid touching it with dirty hands.
   手术后，患者被建议保持该区域清洁，并避免用脏手触摸它。