polluted raw water

• 受污染水源水

polluted raw water的用法和样例：

例句

1. Flooding can contaminate water supplies, leading to potentially fatal diseases.
   洪水会污染水源，导致很多潜在的致命疾病。
2. Prevent DPs from drawing water with individual containers that may contaminate the source.
   阻止难民们用他们自己的容器直接打水，这些容器可能会污染水源。