英语词组back-of-the-envelope calculations是什么意思，短语翻译、用法及例句-英语词组固定搭配大全

词组	back-of-the-envelope calculations
释义	(redirected from back-of-the-envelope calculations) back-of-the-envelope calculation A calculation or mathematical formulation that is approximated in a quick, informal, and rough manner, as might be sketched out on a scrap of paper (such as the back of an envelope). When it came time to pay the bill, we had to do some back-of-the-envelope calculations to figure out who owed how much.
随便看	let (one) get by let one get by let one get by with let (one) get by with (something) let one get on with let (one) get on with (something) let one get past let (one) get past let one go let (one) go by let one go by let one go past let (one) go past let one have it let (one) have it let one have one's head let (one) have (one's) head let one in let one in for let one in on let (one) in on (something) let one in on the act let one into let (one) know let one know

英语词组固定搭配大全包含354030条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。