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单词 first-day cover
释义 first-day coverBrE /ˌfɜːst deɪ ˈkʌvə(r)/NAmE /ˌfɜːrst deɪ ˈkʌvər/ nouna specially printed envelope with a stamp that has a postmark with the date that stamps of that design were first sold 首日封(贴有纪念邮票并盖上邮票发行日邮戳的信封)
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更新时间:2025/8/22 22:19:40