So, let's go back to the notes, and let's fill these in, seven electrons. Another way you could have known them was to look at Lewis' notes here, where if look at this box carefully you see there are seven dots around the cube, so there are his seven valence electrons.

那么，让我们回到讲义，把它们填进去，七个电子，还有另外一种方法可以知道这些,那就是看看路易斯的讲义这里，大家可以看到这个立方体周围有七个点,因此有七个价电子。

麻省理工公开课 - 化学原理课程节选

They'll let you in with a student ID too, if you're a student.

如果你是学生，只要你出示学生证，他们就会让你进去。

蒂姆伯顿最棒 - SpeakingMax英语口语达人

So let's just plug in these numbers here.

让我们把这些数字代入进去。

麻省理工公开课 - 化学原理课程节选

And against that, we could have the pessimists who say, "The negative side especially once we throw in the negative interaction effects, the negative side is so great that " that it would be better never to have been born at all."

而与此相反，可能有悲观主义者说，“消极的方面,特别是我们一旦把负面相互影响考虑进去，消极的方面就会变得,让我们觉得还是压根别出生的好“

耶鲁公开课 - 死亡课程节选

Take a plasmid, cut it open, insert a gene that we want into the plasmid, and then put that plasmid in a host cell, and let the host replicate it.

取一个质粒,把它切开,把目标基因放进去,然后把这个质粒植入到宿主细胞,让宿主来进行复制

耶鲁公开课 - 生物医学工程探索课程节选

Let's fill. What do we get?

让我们填进去，我们得到了什么？

麻省理工公开课 - 固态化学导论课程节选

OK, so how can I code this up? Well, you might think, let's just jump in and write some code, I don't want to quite do that though, because I want to show you another tool that's valuable for thinking about how to structure the code, and that is a something called a flow chart. Now.

好，那么我怎么把这个以代码实现呢，你可能会想，让我们进去直接写代码把,但是我不想这么做，因为我想教给大家另外一项很有价值的,用来组织代码的工具，叫做流程图,现在，像Guttag教授,和我这么大岁数的人。

麻省理工公开课 - 计算机科学及编程导论课程节选

We can put a list in the list again, as we've seen before. So let's put the list containing the string a, and I'll print out so now we see something pretty interesting about a list, that we can mix up all sorts of things in it, and that's OK.

数组放到数组中去，让我们把这个包含,字符串a的数组放进去,然后再显示，我们看到了一些,挺有趣的事情：我们可以把各种,各类的东西混合着放进去，没问题。

麻省理工公开课 - 计算机科学及编程导论课程节选