mucobuccal fold

例句：

1. 1. The doctor examined the patient's mouth and found a mucobuccal fold that needed to be treated.
   医生检查了病人的口腔，发现了一个需要治疗的黏膜皱襞。
2. 2. During the examination, the dentist noticed a mucobuccal fold thatwas causing discomfort for the patient.
   在检查过程中，牙医注意到了一个黏膜皱襞，给病人带来了不适。
3. 3.The patient reported feeling a lump in his throat, which led the dentist to suspect a mucobuccal fold might be the cause.
   患者报告说喉咙里有块状物，这使牙医怀疑可能是黏膜皱襞引起的。