caudal vein

例句：

1. 1. The doctor advised the patient to rest for several days after the surgery.
   手术后，医生建议病人休息几天。
2. 2. The posterior vein is responsible for carrying waste away from the body.
   后静脉负责将废物从身体中带走。
3. 3. The posterior vein is often used as an alternative to the common carotid artery.
   后静脉常被用作动脉的替代选择。