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	metal foil printing machine metal foil resistor metal foil window metal foot board metalform metal form Metal former metal forming metal forming equipment metal forming machine metal forming machinery metal forming machine tool metal-forming operation metal forming process metal fouling metal founding metal foundry metal fractionary pump metal fragment detector metal frame metal frame metal-framed metal framed mirror metal framework metal framework, building

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。