大家都搜：
三天前
1、three days───危情三日 (Three Days)；三天
2、two days ago───两天前
3、three years ago───大前年
4、three days ago───三天前；大前天
5、for three days───三天
6、days ago───几天前
7、in three days───三天后
8、ago───adv.以前；adj.以前的；n.(Ago)（美）阿戈（人名）
9、a few days ago───几天前；日前
1、As many as 1.2 million airline customers may have been affected by almost 8,000 flight cancellations as the storm that hit three days ago closed major airports.───由于受暴风雪影响，美国各大机场纷纷关闭，约有8000架次飞机取消，120万名旅客的出行受到影响。
2、our surprise, the problem was solved by the expert three days ago.───我们吃惊的是三天前这个问题就被专家解开。