We talked about antibodies, we talked about them two weeks ago, we talked about them in section last week, uses of them.

我们讨论过抗体,我们在两周前讨论了抗体,上周的组会中我们讲到抗体的应用

耶鲁公开课 - 生物医学工程探索课程节选

We've done this with two sections of 180 students, about ninety in each section.

我们有两个班的180名学生，每个班90个人。

麻省理工公开课 - 媒体、教育、市场课程节选

The section of the Prophets is divided really into two parts, because there are two types of writing in the prophetic section of the Bible.

先知书》里可以分成两部分,因为在先知书这篇中有两组不同风格的著作。

耶鲁公开课 - 旧约导论课程节选

So come to two lectures, one section, and do the work regularly.

下面要完成两个课时,一个课外讨论,按时完成作业

耶鲁公开课 - 聆听音乐课程节选

They just elongated each measure by its same amount so we had harmony changing on each measure, and then in that middle section each chord was changing at the rate of two measures.

但它的基本形式没有改变，而在每个小节中和声都发生了改变，接着在中间的乐节，每个和弦每两小节改变一次。

耶鲁公开课 - 聆听音乐课程节选