放射治疗 fàngshèzhìliáo radiotherapy Definitions Defs Origin Strokes Stroke Words Sentences Sents 放射 fàngshè noun to radiate To emit rays of light or energy from a central point outward; also used to describe radioactivity.治疗 治療 zhìliáo verbnoun to treat to treat an illness or a patient using medicine, surgery, or other medical methods