你知道水的循环吗？
Cycle water should be fresh and there is no sediment in the tube.
必须确保循环水必须是清洁的，而且管子中没有沉积物。
This process is called the water cycle.
这个过程称为水的循环。
These are good questions to ask in the Water People moon cycle.
这些都是一些在水人之月中聚焦的很好问题。
Now who can tell us the water cycle in the nature with these hints here?
学生看图说话，用自己的话讲述水循环。
After came the focus of the lecture: "water cycle". Mrs. Ng and Mr.
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.
随后，进入了本次讲座“实话实说”环节重点——“水循环”主题。
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