waur

例句：

1. 1. The stream flows gently through the forest.
   这条小溪轻轻地流过森林。
2. 2. We need to find a safe place to cross the river.
   我们需要找到一个安全的地方过河。
3. 3. The river is a source of fresh water for the town.
   这条河是这个城镇的淡水来源。