毕竟这是你们系列讲座的主题。

Because that is after all the topic of your lecture series.

youdao

随后，进入了本次讲座“实话实说”环节重点——“水循环”主题。

After came the focus of the lecture: "water cycle". Mrs. Ng and Mr.

youdao

讲座的主题是患心脏病的风险以及如何防范。

The topic is cardiac risk and how you avoid that.

youdao

讲座的主题是患心脏病的风险以及如何防范。

The topic is cardiac risk and how you avoid that.

youdao