凹镜 āojìng concave mirror Definitions Defs Origin Strokes Stroke Words Sentences Sents 凹镜 凹鏡 āojìng concave mirror A mirror with a surface that curves inward, causing light to converge Frequency Written text 0.015 per million Cross-References Classifier 面 miànSame as 凹面镜 āomiànjìng会聚镜 huìjùjìng Sources Frequency data BCC Corpus (BLCU)
凹镜 凹鏡 āojìng concave mirror A mirror with a surface that curves inward, causing light to converge Frequency Written text 0.015 per million Cross-References Classifier 面 miànSame as 凹面镜 āomiànjìng会聚镜 huìjùjìng Sources Frequency data BCC Corpus (BLCU)
