英语词汇back-of-the-envelope, back-of-an-envelope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	back-of-the-envelope, back-of-an-envelope
释义	back-of-the-en·ve·lope, back-of-an-en·ve·lope /ˈbækəvðɪˈenvələʊp/, /-ən-/ a. 能便捷确定的，不需要复杂计算的
随便看	sun disk sun disks sun dog sun dogs sundown sundowned sundowner sundowners sundowning sundowns sundrenched sun-drenched sundress sundresses sun-dried sundrier sundries sundriesman sundriest sundrily sundriness sundrinesses sundrops sundry sun-dry

英汉双解词典包含548777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。