我们的课程总共囊括了二十种不同语言的内容，总时长达两万个小时，这保证你能学到可立即使用的语言技能。

Our courses, totalling 20,000 hours of content in 20 different languages, guarantee you language skills you can use right away.

youdao

你总倾向于认为自己能摆平，但这已经是一个告警信号了。

There is a tendency to think you can make it up, but this is a warning.

youdao

考虑能量问题，你能发现总功以及，逃逸速度之间的关系，并使它们，在内部统一。

So by looking at the energy considerations, you can find the connection between total energy, escape velocity, and make the whole picture internally consistent.

youdao

You want to talk about it systematically, but how can you talk about anything systematically if you don't know what it is?

人们总希望系统化地谈一件事，但是你一点都不了解它,怎么能系统化地谈它呢？

耶鲁公开课 - 文学理论导论课程节选

So, you'll see that, you know, the libraries are full, there are libraries all over campus.

所以，你总能发现图书馆里坐满了学生，而且校园里到处都是图书馆。

图书馆经常人很多 - SpeakingMax英语口语达人

If you looked at heteronuclear molecules and you wanted to compute the bond energy, you might start with the bond energies of the two constituents.

如果你看那些相同电子的分子,你想计算共享能，你也许会从,两个组成部分的总能量。

麻省理工公开课 - 固态化学导论课程节选