英语词汇back of the 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
释义	back n — 背 n • 背面 n • 背部 n • 后面 n • 背影 n • 脊 n • 背侧 n the back— 背面 envelope — 信封 • 外壳 • 函 • 封皮 • 焘 envelope n — 封套 n • 包络 n back adj — 后 adj • 回来 adj back adv — 支持 adv • 支援 adv • 脊背 adv • 后边 adv • 力挺 adv the 1960s— 六十年代 the 1970s— 七十年代 of — 的
随便看	is no age is no a problem is no barrier to is no better is no better than is no binding is no case for is no competition is no complaint is no confirmation is no consensus is no constant is no defence is no definite is no different is no differentiation is no different than is no disadvantage is no doubt is no easy answer is no easy feat is no easy matter is no easy task is no effective is no evidence

英汉双解词典包含2273206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。

back n —