tracheal veins

例句：

1. 1.The doctor performed a surgery to remove the tracheal veins.
   医生进行了一次手术，以移除气管静脉。
2. 2.The patient was admitted to the hospital for further treatment of the tracheal veins.
   患者被收治入院，接受进一步治疗气管静脉。
3. 3. The anesthesiologist carefully monitored the tracheal veins during the procedure.
   麻醉师在手术过程中仔细监测了气管静脉。