irradiate

vt.

1. 照亮; 使发光; 使生辉
   • His little face was irradiated by happiness.
     他那张小脸蛋高兴得容光焕发。
2. 用X射线等治疗
   • The surgeons irradiated the tumour.
     外科医生用X射线照射那个肿瘤。