有时他们是几千公里内唯一的人。

Sometimes they are the only people for thousands of kilometres.

youdao

我已跑遍了这一地区附近10公里内的范围。

I have walked this district for ten kilometres round.

《新英汉大辞典》

“这只会在数十平方英里内起作用，”他说。

"It only works over a few dozen square miles," he says.

youdao

If I've got a gas in a container, the pressure of the gas has to be the same everywhere in the container, otherwise it's not equilibrium.

如果把气体装进容器里，容器内各处气体的压强,应该是一样的，否则它就不是平衡的。

麻省理工公开课 - 热力学与动力学课程节选

Discord within the city, just as discord within the soul, is regarded as the greatest evil.

城邦内的不协调，一如灵魂里的不协调，全被视为是最严重的罪恶。

耶鲁公开课 - 政治哲学导论课程节选

So in sections where you have the opportunity to work in smaller environments with one of the teaching fellows, in office hours we have an opportunity to work one on one, hands-on in the computer lab or else we're on campus and really get personalized attention when it comes to diving into these problems.

因此在分组后,你们有机会与教员们一起在小房间里工作，在上机时间内我们有机会一对一授课，在实验室内亲身实践,不然的话我们在校园里探讨问题,会被很多人围观的。

哈佛公开课 - 计算机科学课程节选