书函 shūhán letter Definitions Defs Origin Strokes Stroke Words Sentences Sents 书函 書函 shūhán letter a letter or correspondence; mail slipcase a protective case or sleeve for a book Frequency Written text 0.068 per million Cross-References Classifier 封 fēng Sources Frequency data BCC Corpus (BLCU)
书函 書函 shūhán letter a letter or correspondence; mail slipcase a protective case or sleeve for a book Frequency Written text 0.068 per million Cross-References Classifier 封 fēng Sources Frequency data BCC Corpus (BLCU)
