We have been sitting here (for) hours.

我们已经在这儿坐了几个小时了。

youdao

I have been sitting here all afternoon.

我在这里坐了一个下午。

youdao

I have been sitting here for the afternoon.

我在这坐了一个下午了。

youdao

I'm teaching this class because I wish a class like this had been taught when I was sitting in your seat as an undergrad here.

我教授这门课是因为,在我读本科阶段时,非常希望能学习这样一门课程。

哈佛公开课 - 幸福课课程节选

So it's really neat to think that your counterparts 100 years ago right here at MIT could have been sitting in a class where they had Lewis as their lecturer, and he's putting forth these ideas -- these are actually his lecture notes, even though it wasn't even published yet, and giving this idea of Lewis structure, which is exactly what we keep using today in order to make a lot of these predictions.

因此会有很棒的感觉，当想一想一百年以前像你们一样,在这上学的同学可能正坐在教室里,听路易斯讲课，而他正在提出这些想法-,-而这些正是他的课堂讲义，尽管当时还没有发表，但已经给出了路易斯结构的思想，这正是我们直到今天都一直在用的,用它来做很多预测。

麻省理工公开课 - 化学原理课程节选

Somebody must have been sitting here that afternoon, using a piece of chalk from the cliffs to draw those figures onto the flints.

BBC: England��s ghostly South Downs Way

Mr. NEIL WOOD (Retired Rancher): If you look around the table here, about everybody sitting here has been in the service in World War II.

NPR: Economic Check-Up in Broken Bow

Despite the good intentions of some -- two of them are sitting right here, Tom and George -- Congress has not been able to fix these flaws so far.

WHITEHOUSE: President Obama on No Child Left Behind Flexibility