supervoltage radiotherapy

例句：

1. 1. Supervoltage radiotherapyis a highly effective treatment for cancer patients.
   超电压放疗是癌症患者非常有效的治疗方式。
2. 2. The supervoltage radiotherapyhas shown great promise in treating various typesof cancer.
   超电压放疗在治疗各种类型的癌症方面显示出巨大的潜力。
3. 3. The patient wastreated with supervoltage radiotherapy, and the results were very satisfactory.
   患者接受了超电压放疗治疗，结果非常满意。