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 /ˈfɜːstdeɪ/ noun an envelope bearing a stamp or set of stamps postmarked on their day of issue 首日封。
随便看	felon felonious feloniously felony felsic felspar felt felt-tip pen felty felucca felwort fem FEMA female female circumcision female condom femaleness feme covert feme sole feminal feminality femineity feminine femininely feminineness

英汉双解词典包含131075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。