dorsaltrachea

例句：

1. 1. The doctor performed a surgery on the patient's dorsal trachea.
   医生为病人的背部气管进行了手术。
2. 2. During the operation, the surgeon had to reroute the dorsal trachea.
   手术过程中，外科医生不得不重新规划背部气管。
3. 3. The patient was given medication to relieve the pressure on the dorsal trachea.
   患者被给予药物以减轻对背部气管的压力。