三年过去了，我们在初中交了很多朋友。

Three years has passed and we've made so many friends during our junior school.

youdao

在过去三年内，无人机空袭数大幅增加。去年创了纪录达到 118 次，2011 年迄今为止达到 50 次。

The drone attacks have been ramped up over the past three years, with a record 118 stroke last year and 50 so far in 2011.

youdao

回顾过去的三年，你最想念哪位老师？

Looking back at the past three years, which teachers will you miss most?

youdao

And your revenues have been increasing quarter for quarter for the last three years.

在过去三年，公司营利每个季度都在不断增长。

I have 课堂 - SpeakingMax英语口语达人

Well I've been taking this course or I've been part of this course for the last three years so every years 0 at Harvard I've been part of CS50 and it's a really special class or organization to be a part of-- really a family and I think Cansu will talk a little bit about that.

在过去的三年里,我一直在学习这门课程,所以，每年我都是哈佛大学CS50课程中的一分子0,这是一门特别的课程,大家就像一家人,我想Cansu会谈谈这一点。

哈佛公开课 - 计算机科学课程节选