It was interesting that I sent home because we will be doing this paper and we will be doing family tree.

我让他们在家完成的作业很有意思,因为我们要完成这张纸上的内容,并画一个族谱。

麻省理工公开课 - 媒体、教育、市场课程节选

The other thing that's on this slide here is sort of a simple analogy that I've already described.

这张幻灯片上的其它东西,是一个简单的类比,我已经讲过了

耶鲁公开课 - 生物医学工程探索课程节选

This is Frost in old age, as an American bard from a magazine.

这张是他年老时，一个杂志上的吟游诗人。

耶鲁公开课 - 现代诗歌课程节选

So here we have energy increasing on the y-axis, and you see this straight line at the bottom here is lower down on the graph, and that's the energy of a bound electron, so that's going to be a low stable energy.

这里我们看到能量沿着y轴增加，而且在这张图片上,这条直线在底部是降低的，那是一个束缚电子的能量，所以那是一个低稳态能量。

麻省理工公开课 - 化学原理课程节选