光照治疗 guāngzhàozhìliáo phototherapy Origin Definitions Defs Strokes Stroke Words Sentences Sents 光照 guāngzhào noun illumination illumination; light or brightness from the sun or a lamp, often as a condition for biological growth and development治疗 治療 zhìliáo verbnoun to treat to treat an illness or a patient using medicine, surgery, or other medical methods