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 covern. an envelope with stamps postmarked on their first day of issue 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)
随便看	dalasi Dale vermeil vermi- vermian vermicelli vermicide vermicular vermiculate vermiculation vermiculite vermiform vermiform appendix vermifuge vermilion vermin verminate vermination verminous vermivorous vermouth vernacular vernacularism vernacularity vernacularize

英汉双解词典包含94788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。