首日封 shǒurìfēng first day cover Definitions Defs Origin Strokes Stroke Words Sentences Sents 首日封 shǒurìfēng first day cover noun first day cover (philately) Frequency Written text 0.283 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
首日封 shǒurìfēng first day cover noun first day cover (philately) Frequency Written text 0.283 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
