书函 shūhán letter Definitions Defs Origin Strokes Stroke Words Sentences Sents 书函 (書函) shūhán letter noun formal written letter or correspondence slipcase noun a protective case or envelope for a book Frequency Written text 0.068 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
书函 (書函) shūhán letter noun formal written letter or correspondence slipcase noun a protective case or envelope for a book Frequency Written text 0.068 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
