intravenous route

例句：

1. 1.The patient was given an intravenous injection of medication.
   患者接受了一次静脉注射。
2. 2.The surgeon used an intravenous route to deliver the drugs.
   外科医生使用静脉途径输送药物。
3. 3. The patient's condition improved after receiving the intravenous route treatment.
   患者在接受静脉途径治疗后状况有所改善。