我觉得我们以前见过面。

I think we've met before.

《牛津词典》

我们以前见过面，我说得对吗？

Am I right in thinking we've met before?

《牛津词典》

我有一种奇怪的感觉，觉得我们以前见过面。

I had a peculiar feeling we'd met before.

《牛津词典》

OK, so here is just an engine like what we've already seen, and I'm going to specify that this is a Carnot engine which is to say all the results that we just derived hold for this case.

这一个热机,跟我们以前见过的差不多，我们把它确定为,卡诺热机,所以我们之前得到的结果都对它适用。

麻省理工公开课 - 热力学与动力学课程节选