现在，甚至还有法律来保护它。

Now, there's even a law to protect it.

youdao

虽然我们现在的水供给很充裕，因为我们现在有四种途径来获得水源，我们想让人们明白它的来之不易。

While we have ample supplies of water because of the four different sources of water that we now have, we do want people to realize that this don't come easy.

youdao

现在一些专家提出，我们应该利用青少年的大脑对朋友在场的敏锐感知，并借助它来改善教育。

Now some experts are proposing that we should take advantage of the teen brain's keen sensitivity to the presence of friends and leverage it to improve education.

youdao

So, this is just one example of how these properties can already, even our understanding just talking about single atoms, can already make an impact in these biological systems.

这只是一个例子，通过它我们可以看到，尽管我们仅仅讲到了单个原子，但我们现在已经可以用它的性质来理解一些生物系统。

麻省理工公开课 - 化学原理课程节选

So you have this firmament, ; Which is beaten back to hold back primeval waters that are pressing in; you have land which is holding down the waters here.

现在有了苍穹，它被锤平来阻挡汹涌而至的水流;,也有阻挡下面水流的土地。

耶鲁公开课 - 旧约导论课程节选

And if I go ahead and run this -- now it's going to say woops, at me.

如果我继续来运行它-,现在发生了什么？我在这里尝试。

麻省理工公开课 - 计算机科学及编程导论课程节选