在第一单元，我们学习了如何介绍某人自己。

In the unit one, we learned how to introduce oneself.

youdao

你知道如何介绍自己。

You know how to introduce yourself.

youdao

如何介绍自己的公司？

How to introduce your company?

youdao

Let me give a little bit background on positive psychology: how we came about and how this class came about.

下面介绍一下积极心理学的背景：,它是如何诞生的，这门课是如何诞生的。

哈佛公开课 - 幸福课课程节选

What have we done over the last three or four lectures? We've started introducing you to classes of algorithms. Things that I'd like you to be able to see are how to do some simple complexity analysis.

我们在过去三节或四节课中讲了什么？,我开始向你们,介绍算法的类型,我想你们知道的是,如何做一些简单的复杂度分析。

麻省理工公开课 - 计算机科学及编程导论课程节选

There's - this diagram comes directly from your book, from one of the boxes in the book which describe how you analyze antibody interactions.

这个图表是直接从书上拿来的,来自于书上的一个框图里,这个框图介绍了如何分析抗体的相互作用

耶鲁公开课 - 生物医学工程探索课程节选