sublingual fold

例句：

1. 1. The doctor examined the patient's tongue and found a sublingual fold that was causing pain.
   医生检查了患者的舌头，发现一个舌下褶引起了疼痛。
2. 2. During surgery, the surgeon carefully removed the sublingual fold to avoid damaging the nerves.
   手术期间，外科医生小心翼翼地切除了舌下褶，以免损伤神经。
3. 3. The patient had to learn to control his sublingual fold while speaking to prevent it from blocking his airway.
   患者必须学会控制他的舌下褶，在说话时防止它阻塞他的气道。