nasolacrimal canal

例句：

1. 1. The doctor performed a minor surgery to repair the damaged nasolabial canal.
   医生进行了一次小手术来修复受损的鼻唇沟。
2. 2. During the operation, the surgeon carefully dissected the nasolabial canal to avoid damaging the nerves.
   在手术过程中，外科医生小心翼翼地解剖了鼻唇沟，以避免损伤神经。
3. 3. The patient was given medication to relieve the swelling and pain in the nasolabialcanal.
   患者被给予药物以缓解鼻唇沟的肿胀和疼痛。