英语词汇first day cover怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	first day cover
释义	first day cover 首日封(集邮用语，指贴有纪念邮票并经邮局盖过发行第一日邮戳的信封) Do you want to buy commemorative stamps or first day covers, sir? 先生，您要买纪念邮票还是首日封?
随便看	channel catfishes channel-catfishes channel cats channel-cats Channel Country channeled channeler channeler channelers channel-graze channel-grazer channel-grazer channel-hop channel-hopper channel-hopper channeling channelings channeling's channelise channelised channelises channelising channel island Channel Islands channelization

英汉双解词典包含548777条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。