Read Edit View history 凹透镜 āotòujìng concave lens Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 凹透镜/凹透鏡 · āotòujìng · concave lens 2026/03/04 凹透镜 / 凹透鏡 āotòujìng concave lens concave lens 近视眼镜通常是用凹透镜做的。 created sense Mar 4, 2026, 02:25 AM