They are not on the playground but in the classroom.

他们不在操场，而是在教室。

youdao

Excuse me, I'm supposed to be having my physics class in the science building, but no one's in the classroom.

打扰一下，我现在应该在科学楼上物理课，但是教室里一个人也没有。

youdao

We can't eat in the classroom. But we can eat in the dining hall.

我们不能在教室里吃东西。但我们可以在食堂吃。

youdao

"But,professor, where will the students sleep?" "Where they always sleep in the classroom!"

VOA: special.2009.07.19

And I will try and remember not to include Jude and Wes in the classroom discussions, but you should be aware that they're there.

我会尽量注意,不要让他们两位加入课堂讨论的,但是你们也要注意到他们的存在

耶鲁公开课 - 博弈论课程节选

First, I'd like to explore two dimensions of education and I'm thinking not only in terms of classroom education which you are familiar with but also the distance education which is so prominent in the development today.

首先，我想探究两个维度的教育,其中一个角度是,你们熟悉的课堂教育,另一个角度是远程教育,现在它的发展十分显著。

麻省理工公开课 - 媒体、教育、市场课程节选

"The Their Past, Your Future scheme will enable thousands of young people to undertake exciting projects that will bring history to life, not just in the classroom but also on former battlefields and in the streets of their communities and cities, " spokesman Stephen Dunmore said.

BBC: NEWS | UK | Grants give pupils taste of WWII

So passing this jobs bill can be very important in terms of improving the school, the physical plant, but also putting teachers back in the classroom.

WHITEHOUSE: Open for Questions with President Obama

At least one of those bullets lodged in the wall, but none of the 21 students in that classroom was injured.

CNN: Police search for gang members in shooting