passive immunization therapy

例句：

1. 1. This passive immunization therapy has been shown to be effective in treating certain cancers.
   这种被动免疫疗法已被证明对治疗某些癌症有效。
2. 2. The patient received passive immunization therapy after the surgery to help fight off infection.
   患者在手术后接受了被动免疫疗法，以帮助抵抗感染。
3. 3. Researchers are exploring the possibility of using passive immunization therapy for treating autoimmune diseases.
   研究人员正在探索使用被动免疫疗法治疗自身免疫疾病的可能性。