free-flowing river

例句：

1. 1.The river flows freely through the valley.
   这条河自由地流过山谷。
2. 2. The free-flowing water is refreshing to the skin.
   自由流动的水对皮肤很清爽。
3. 3.The free-flowing stream is a popular spot for fishing.
   自由流动的小溪是钓鱼的好地方。