Carina tracheae

例句：

1. 1. The patient's condition was stable, and the doctor recommended Carina tracheae surgery.
   患者的病情稳定，医生建议进行卡里纳气管手术。
2. 2.During the operation, the surgeon carefully removed the Carina tracheae to ensure a proper airway.
   在手术过程中，外科医生小心翼翼地切除了卡里纳气管，以确保呼吸道畅通。
3. 3. The patient's recovery was slow, but with time, the Carina tracheae began to heal.
   患者的康复过程缓慢，但随着时间的流逝，卡里纳气管开始愈合。