放射线治疗 fàngshèxiànzhìliáo radiotherapy Origin Definitions Defs Strokes Stroke Words Sentences Sents 放射线 放射線 fàngshèxiàn radioactive rays radioactive rays; radiation; high-energy beams emitted from an atomic nucleus during radioactive decay治疗 治療 zhìliáo verbnoun to treat to treat an illness or a patient using medicine, surgery, or other medical methods