英语词汇first class mail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 class mail
释义	first class mail 简明释义头等邮件：指邮局中最快速、最高级别的邮寄服务，通常用于寄送信件、明信片、小包裹等。
随便看	recovery impedance recovery in business activity recovery index recovery information set recovery in kind recovery installation recovery interrupt recovery-level tracker recovery library recovery limit recovery line recovery log recovery log data set recovery management recovery management support recovery management support(RMS) recovery maneuver recovery mechanical energy recovery mechanism recovery mechanism recovery medium recovery method recovery mode recovery model recovery net

英汉双解词典包含3185865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。