created sense approved 首日封 · shǒurìfēng · first-day cover — "Initial import from upstream dictionary"
首日封
shǒurìfēng
first-day cover
an envelope with new stamps postmarked on their first day of issue
首 (bound) → 首 · shǒu · first 日 (literal) → 日 · rì · day 封 (bound) → 封 · fēng · envelope
Changed: simplified, traditional, gloss, definition, pinyin, variant pinyin, variants, separable parts, decomposition