急流

例句：

1. 1. The river is rushing through the valley.
   这条河正在山谷中奔流。
2. 2. The torrent of rain has washed away all the mud.
   暴雨的洪流冲走了所有的泥泞。
3. 3. The rapids are treacherous and should be avoided at all costs.
   激流危险，应不惜一切代价避免。