Venae rectales inferiores

例句：

1. 1.The doctor examined the patient's veins and found that they were weak.
   医生检查了患者的静脉，发现它们很弱。
2. 2.The patient was given an IV drip to help with his pain.
   患者被给予了静脉滴注来帮助缓解他的疼痛。
3. 3. The nurse carefully monitored the patient's blood pressure and veins during the procedure.
   护士在手术过程中仔细监测了患者的血压和静脉。