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	foremastman foremasts foremen forementioned foremilk foremilks foremost foremostly foremother foremothers forename forenamed forenames forenoon forenoons forenoon watch forenoon watches forenotice forensic forensicalities forensicality forensically forensically forensic chemistries forensic chemistry

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。