井研 jǐngyán Jingyan Definitions Defs Origin Strokes Stroke Words Sentences Sents 井研 jǐngyán Jingyan Jingyan County in Leshan, Sichuan Frequency Written text 0.029 per million Sources Frequency data BCC Corpus (BLCU)
井研 jǐngyán Jingyan Jingyan County in Leshan, Sichuan Frequency Written text 0.029 per million Sources Frequency data BCC Corpus (BLCU)
