This had better not go on the air before summer!

这最好不在夏天之前播出。

我们是校园情侣 - SpeakingMax英语口语达人

I actually went off and visited Bill up in Seattle the summer before I started at Stanford.

实际上我来斯坦福的前一年暑假,还经常去西雅图看他。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

a summer before I was going to graduate,

有一年夏天，毕业前的夏天，

迷上网页设计 - SpeakingMax英语口语达人

I read it the summer before last.

我是前年夏天的时候读的。

麻省理工公开课 - 固态化学导论课程节选