我认为我不需要再讲一次你们下节课的阅读作业；有一个图表已经说明地非常清楚了。

I don't think I need to draw any echoes, your reading assignment for the next class; it has a diagram that shows this very clearly.

youdao

作为这节课的开始，我先稍微回顾一下，一些关于发育过程的内容，先说胚胎发育，这里有张图。

To start out I'm going to go back to the thinking about development a little bit, embryonic development, and show you a picture here.

youdao

嗯…我有个主意，我们各自写一篇关于这个话题的文章，下节课交给赵老师让她评判一下我们两个的理论究竟谁的更合理一些．你认为怎么样？

B:Well . I have a suggestion , We both write an essay on this topic and next lecture . let's give our essays to Professor Zhao and see whether your or my theoty is more reasonable . What do you think?

youdao

嗯…我有个主意，我们各自写一篇关于这个话题的文章，下节课交给赵老师让她评判一下我们两个的理论究竟谁的更合理一些．你认为怎么样？

B:Well . I have a suggestion , We both write an essay on this topic and next lecture . let's give our essays to Professor Zhao and see whether your or my theoty is more reasonable . What do you think?

youdao