Read Edit View history 凹面镜 āomiànjìng concave mirror Origin Definitions Defs Strokes Stroke Words Sentences Sents 凹面镜 (凹面鏡) āomiànjìng concave mirror noun Frequency Written text 0.021 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
凹面镜 (凹面鏡) āomiànjìng concave mirror noun Frequency Written text 0.021 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)