坐在后排的学生可能不会讲太多，但在大教室里，可能很难看到黑板，也很难听到老师在说什么。

At the back, students probably won't speak much, but in big classrooms, it can be hard to see the board and hear what the teacher is saying.

youdao

这么大的原子核不可能是稳定的，但在足够长的时间内，在真空附近组装一个原子核以观察真空的衰变是可能的。

A nucleus that large cannot be stable, but it might be possible to assemble one next to a vacuum for long enough to observe the decay of the vacuum.

youdao

在1837年大恐慌前的10年里，劳工运动积累了一些势头，但在随后的大萧条中，劳工的力量崩溃了。

The labor movement gathered some momentum in the decade before the Panic of 1837, but in the depression that followed, labor's strength collapsed.

youdao

All right? If I'm gambling, I'm saying, gee, if I'm really lucky, it'll be only on this side, and I've got a little bit of work to do, but if I'm unlucky, I'm scrawed, the past pluperfect of screwed, OK., or a Boston fish.

如果我够幸运的话，目标数就会在这边的，这会大大减少我的工作量，但如果不幸运呢？我就完蛋了，我就得再从剩下的这么大的数组里找了，这很痛苦，因此选中位数是正确答案。

麻省理工公开课 - 计算机科学及编程导论课程节选

I have it up on my screen But I don't see it up on the screen there.

我的电脑屏幕能播,但却不能播在大屏幕上

耶鲁公开课 - 聆听音乐课程节选

This is because even though z, the atomic number is still increasing, we are also getting further away from the nucleus.

从有效核电量方面来想一想为什么，这是因为，尽管，Z，原子序数依然在变大，但我们同时也在离原子核越来越远。

麻省理工公开课 - 化学原理课程节选