These levels come from outside activities that penetrate the classroom structure, from teaching activities, and other noise generated inside, which can be exacerbated by room reverberation.

这些（噪音）可以是穿透教室建筑结构的室外活动声、教学活动的声音以及室内产生的其它各种声响，这些声音都会因为房间的回声效果而被放大。

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They need cutting and pruning with the tool of learning, We learn not only inside the classroom but also outside the classroom.

我们不仅在课堂上学，而且还要在课外学。

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College is a time of exploration, both inside and outside of the classroom.

大学是一段探索的阶段，不论是课堂内还是课堂外。

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I asked each of them to bring a book that had informed that question for them, inside or outside of the classroom that they had read or what in Princeton.

我让他们每人带一本书来,这本书该为他们提供了对这个问题的提示,只要是他们在学校里课堂内外读过的都行。

普林斯顿公开课 - 人性课程节选

Good leadership and good decisions bring about the change needed to make our students successful inside and outside of the classroom.

WHITEHOUSE: Collaboration in Catholic Education

Christine Blower, general secretary of the National Union of Teachers, said that the review must look at "life outside as well as inside the classroom" as recent poverty statistics showed that "life opportunities of children from disadvantaged backgrounds are being severely closed down".

BBC: Ofsted to review educational achievement in poor areas

The project, coordinated by Sazani Associates, has been included as an ESD success story for its focus capacity building both inside and outside the classroom.

UNESCO: UK Schools Featured in UNESCO Publication