Read Edit View history 凸透镜 tūtòujìng convex lens Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 凸透镜/凸透鏡 · tūtòujìng · convex lens 2026/03/04 凸透镜 / 凸透鏡 tūtòujìng convex lens convex lens 放大镜其实就是一个凸透镜。 created sense Mar 4, 2026, 02:25 AM