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

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