发散透镜 fāsàntòujìng diverging lens Origin Definitions Defs Strokes Stroke Words Sentences Sents 发散 發散 fāsàn to disperse to spread out or diverge from a central point, such as light, heat, or waves透镜 透鏡 tòujìng lens An optical component made of transparent material like glass or crystal that refracts light; usually classified into 凸透镜 tūtòujìng and 凹透镜 āotòujìng