弯月形透镜 wānyuèxíngtòujìng meniscus lens Origin Definitions Defs Strokes Stroke Words Sentences Sents 弯月 彎月 wānyuè crescent moon crescent moon; crescent shape形 xíng nounaffix shape (bound form) shape; form; pattern; configuration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