intravenous therapy

例句：

1. 1. He was given an intravenous drip to help him stay hydrated during the surgery.
   他在手术期间接受了静脉滴注，以帮助他保持水分。
2. 2. The patient required an intravenous antibiotic to treat his infection.
   患者需要一种静脉抗生素来治疗他的感染。
3. 3. The doctor explained that she would need to undergo an intravenous infusion before the operation.
   医生解释说，在手术前她需要进行静脉输液。