Question

一个英语句子的翻译---高手指点

At First the river is small and the water is clear and cold. Then it begins to move quickly. It becomes rapids as it passes through deep valleys, traveling across western Yunnan Province.
重点分析这个句子结构“ It becomes rapids as it passes through deep valleys, ”
然后标准翻译，谢谢

Answer 1

刚开始，河面比较窄，河水清冷。然后，水流加快了。当它穿越贯穿云南省西部的深谷时，变成了湍流。
It becomes rapids是主句， as it passes through deep valleys是状语，traveling across western Yunnan Province现在分词短语是定语，修饰deep valleys

Answer 2

起初这条河有小,水是清晰的和寒冷。然后它开始快速行动。它变成急流穿过深谷流经云南省西部时它变成急流。重点分析的句子：它变成急流穿过深谷