分类：教育/科学-外语学习
问题：“前两天”用英语有几种表达方法？最好有例句说明，谢谢！ 
最好有例句说明，谢谢！
回答：两天前开始的。 
It started two days ago.

考试前两天，乔治一头钻进生物学，把各种奇奇怪怪的名称塞进他的脑子里。 
Two days before the exam,George dived into biology and crammed his head with all kinds of exotic names.