英语词汇“first-day cover”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	first-day cover
释义	first-day cover first-day cover n (Philately) philately a cover, usually an envelope, postmarked on the first day of the issue of its stamps first′-day` cov′er n. an envelope bearing a canceled stamp and postmarked on the stamp's first day of issue at the postal station where it was first released. [1935–40, Amer.] Translations first-day cover first-day cover Philately a cover, usually an envelope, postmarked on the first day of the issue of its stamps
随便看	random thoughts before the coffee kicks in random time-division multiple access random tooled ashlar random transaction rate random traverse random trio productions random utility maximization nested logit random utility model random utility theory random variable random variables random variance random variances random variate random variation random vector random vector generation random verification number random vibration random voided specimen random walk random walk--1-dimensional random walk--2-dimensional random walk--3-dimensional random-walk advection and dispersion model

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

first-day cover