精研 jīngyán research Definitions Defs Origin Strokes Stroke Words Sentences Sents 精研 jīngyán research verb to research carefully or study intensively Frequency Written text 0.287 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
精研 jīngyán research verb to research carefully or study intensively Frequency Written text 0.287 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
