So whether we finish it today, or more likely when we finish it up on Friday, once we get passed isoelectronic atoms, that's it, that's all you need to study for this first exam.

因此，我们也许今天讲完，或者更有可能周五讲完，无论如何，就到我们讲完等电子原子为止，这是你们第一次考试所需要准备的全部内容。

麻省理工公开课 - 化学原理课程节选

This is the first time we've ever driven to Los Angeles.

这是我们第一次开车到洛杉矶。

洛杉矶VS圣地亚哥 - SpeakingMax英语口语达人

What I'd like to do--and this will be the first time I've the clicker thing in the class so let's try out this little quiz and see how it works.

我想要--这是我第一次,在课上使用表决器,所以我们先做个小测试看看效果如何

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And this person looked at me and said, "Well the maid was from Dijon." And another time, somebody's French was very good and I said, "Why is your French so good?"

然后这哥们看着我说,"我们家保姆是第戎的",还有一次,也有个人法语特好我就问,你法语怎么这么好

耶鲁公开课 - 1871年后的法国课程节选

This is actually our first time ever coming here.

实际上这是我们第一次来这里。

参加10公里竞走 - SpeakingMax英语口语达人

so it's our first time.

所以这是我们第一次来。

参加10公里竞走 - SpeakingMax英语口语达人