现在，让我们开始我们的课。

Now, let's begin our class.

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当我们开始整堂课的时候，我教孩子们如何手工装订书本。

When we started with the entire class, I showed the children how to bind the book by hand.

youdao

上节课，我们开始讨论有用的植物纤维。

In the last class, we started talking about useful plant fibers.

youdao

We're going to talk about the reasons for that as we go along, particularly at the beginning of class next time.

随着课程的进行我们会讲到其中的原因,尤其是下次课开始时

耶鲁公开课 - 生物医学工程探索课程节选

And beginning next time, we're going to take up questions of the limits of consent in the buying and selling of goods.

下节课开始，我们将解答,买卖商品中，同意的限制问题。

耶鲁公开课 - 公正课程节选

All right. So let me start again by reminding you what it is that was done last time.

好的,我们开始上课,先回顾下上节课的内容

耶鲁公开课 - 基础物理课程节选