这些都是你画的吗？

Did you draw all of these?

youdao

现在，你要记住的一点是这些画的背景。

Now, one thing you've got to remember is the context of these paintings.

youdao

我认为你会了解到很多关于创作这些微型画时，人们是如何看待孩子们的。

I think you'll learn a lot about how people viewed children at the time the miniature paintings were done.

youdao

So when you go ahead and draw these on your problem-sets or on your exams, it's a good idea to put these dashed lines in, both for you and for people reading it to see exactly where your molecular orbitals are coming from.

所以当你在做课后题,或者考试的时候要画这些图时，最好把这些虚线放进去，既方便你自己也方便别人知道,这些分子轨道是从哪里来的。

麻省理工公开课 - 化学原理课程节选

But what really happens is as you go on in chemistry, you draw so many of these you can just draw them without following the rules.

但是随着你在化学上的深入，你会画很多路易斯结构,以至于你可以不用管这些规则就能直接画出来。

麻省理工公开课 - 化学原理课程节选

Who commissioned these paintings and what they painted tell you who these people thought they were.

那些人下订单并且告诉你所要画的内容,而从这些信息能猜出他们是怎么想自己的

耶鲁公开课 - 欧洲文明课程节选