英语词汇“first-day cover”的英文翻译、意思、用法、释义-英汉汉英词典-MRM资料网

单词	first-day cover
释义	first-day coverfirst-day coverfirst-day coversn.①[集郵]首日封first-day covern.【邮政】首日封(集邮用语)详细释义源自:《新世纪英汉大词典》Collins外研社 n.首日封（集邮用语）【邮政】first-day cover/`fʒst`de; ˈfə:stˈdei/‘集邮’首日封((经邮局特别盖过章的信封, 表是它是在所贴的邮票发行的第一天, 由发行该邮票的邮局寄出))
随便看	electro-magnetic pouring unit的意思 electromagnetic power的意思 electromagnetic precursor的意思 electromagnetic-pressure gauge的意思 electromagnetic print head的意思 electromagnetic probing的意思 electromagnetic propagation的意思 electromagnetic propagation in absorbing media的意思 electromagnetic propagation in a dispersive medium的意思 electromagnetic propagation in anisotropic media的意思 electromagnetic propagation in dispersive media的意思 electromagnetic propagation in nonhomogeneous media的意思 electromagnetic propagation in nonlinear media的意思 electromagnetic propagation in plasma media的意思 electromagnetic propagation, semiconducting media的意思 electromagnetic property的意思 electromagnetic propulsion的意思 electromagnetic prospecting的意思 electromagnetic prospecting method的意思 electromagnetic pulse的意思 electromagnetic pulse (emp)的意思 electromagnetic pulse--emp的意思 electromagnetic pulse，emp的意思 electromagnetic pump的意思 electromagnetic--pump的意思