So all that Bohr, for example, had to go on at this point was a more classical picture of the atom, as you can see on the left side of the screen there, which is the idea that the electrons orbiting the nucleus.

原子的经典图像，你们可以,看到屏幕左边，这是电子，绕着核子旋转，的概念,他已经知道。

麻省理工公开课 - 化学原理课程节选

To start out I'm going to go back to the thinking about development a little bit, embryonic development, and show you a picture here.

作为这节课的开始,我先稍微回顾一下,一些关于发育过程的内容,先说胚胎发育,这里有张图

耶鲁公开课 - 生物医学工程探索课程节选

Let's think about it a bit, let's go back to the previous picture.

好好想想,再看看前一张图

耶鲁公开课 - 博弈论课程节选

And not only are the Greeks as a whole cut off from the rest of the world, but Greece itself, which used to be an area of easy exchange, where people could go from one place to the other and did, localism now comes into the picture.

而且不仅是希腊人作为一个群体被排除在,世界之外,希腊内部也出现了问题,它曾经也是一个贸易中心,人们从其他地方赶来又走向另一个地方,而此时,地方主义开始兴起

耶鲁公开课 - 古希腊历史简介课程节选

If I told you that 'draw me a nucleotide from RNA that has ', you could go back to this picture and you could draw the whole thing.

如果让你找RNA中碱基是A的核苷酸,你可以看着这个图,就能找出其全部结构

耶鲁公开课 - 生物医学工程探索课程节选