blackwater

例句：

1. 1. The river flows through a dense forest of trees and carries blackwater with it.
   这条河流流经一片茂密的树林，带着黑水穿行。
2. 2. The flood caused the village to be swamped with blackwater.
   洪水淹没了村庄，带来了黑水。
3. 3.The blackwater was so thick that it made swimming difficult.
   黑水太浓了，游泳变得很困难。