And I mean this means way past all the chemistry they've taken, they're now graduate students or they're now professors, and they're still writing out Lewis structures.

我想说的是这意味着尽管他们早就学完了所有的化学，他们现在都已经是研究生甚至是教授了，但他们依然在不断地写路易斯结构。

麻省理工公开课 - 化学原理课程节选

All right, now we must be done with the forms.

你们现在应该填完了吧

耶鲁公开课 - 博弈论课程节选

That's what I wanted to say in finishing up last week's topic of DNA technology.

现在我已经把,上周DNA技术剩下的部分讲完了

耶鲁公开课 - 生物医学工程探索课程节选