Read Edit View history 首日封 shǒurìfēng first day cover Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 首日封 · shǒurìfēng · first day cover 2026/03/04 首日封 shǒurìfēng first day cover first day cover (philately) 他收集了很多珍贵的首日封。 noun created sense Mar 4, 2026, 02:25 AM