radiotherapeutic

例句：

1. 1. Radiation therapy is a form of cancer treatment that uses high-energy radiation to kill cancer cells.
   放射治疗是一种癌症治疗方法，使用高能辐射杀死癌细胞。
2. 2. The patient received radiotherapy for three months before undergoing surgery.
   患者在接受手术前接受了三个月的放射治疗。
3. 3. The research team focused on developing new drugs and radiotherapeutic techniques for treating cancer.
   研究团队专注于开发新的药物和放疗技术来治疗癌症。