submucous layer

例句：

1. 1.The doctor removed the submucous layer to repair the damaged tissue.
   医生切除了黏膜下层以修复受损的组织。
2. 2. During surgery, the surgeon carefully dissected the submucous layer to avoid damaging vital organs.
   在手术中，外科医生小心地分离黏膜下层以避免损伤重要器官。
3. 3.The patient's recovery was slow due to the extensive damage to the submucous layer.
   由于黏膜下层的广泛损伤，患者的康复进展缓慢。