Some young people simply mess around all day when they are supposed to be at school.

一些年轻人不在学校学习却整天东游西荡。

youdao

If you think about it, those children must be at school by now.

想想吧，那些孩子现在一定在学校了。

《牛津词典》

I might as well be at school at once.

我还不如马上回学校去呢。

youdao

Recently, researchers at the University of Colorado School of Medicine found that the effects of the surgery may not be long-lasting.

VOA: special.2011.07.05

So I think it is important to keep this in mind and I'm gonna be coming back to this a number of times as we talk about the experiments we were doing at the Soen School of management.

你们要牢记这一点,因为之后,我们会谈到这个问题,做的实验时,我会反复提到这个内容。

麻省理工公开课 - 媒体、教育、市场课程节选

It's really nice, as you can tell, to be at a school in such a great location.

所以，学校能够在这么好的一个位置是很值得高兴的。

关于旧金山大学校园 - SpeakingMax英语口语达人

Fifteen million children under 14 who should be at school are working full time around the world.

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South African-born Kate Dennison looks like she should still be at school, but the 24-year-old has been a pole vaulting revelation, breaking the British record for the second time in a week on Saturday.

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"He then went on to say how grateful he was to be here in the United States, how grateful he was to be at school and what a lucky and fortunate person he was, " Mr. Aaronson recalled.

WSJ: A Look at the Brothers