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	setting period setting piece setting pin setting pinion setting plan setting plane setting plate set pocket setting point setting point set pointer setting point test setting-point test setting-pole setting pole setting pond setting position setting posture setting potentiometer setting power setting power scheme setting pressure setting pulse setting pulse setting punch

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。