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 n. 【邮政】首日封(集邮用语)
随便看	Ethiopic Ethiops ethiops ethmoid ethmoidal ethmoidal ethmoids ethnarch ethnarchies ethnarchs ethnarchy ethnic ethnical ethnically ethnically Albanian ethnic cleansing ethnicism ethnicisms ethnicities ethnicity ethnic minority ethnics ethnic tension ethno- ethnobiology

英汉双解词典包含368430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。