River Po

例句：

1. 1. The river flows gently through the valley.
   这条河流在山谷中缓缓流过。
2. 2.The river is a popular spot for fishing and boating.
   这条河是钓鱼和划船的热门地点。
3. 3.The river provides fresh water for the town.
   这条河为城镇提供了新鲜的水源。