groundwater contamination

• 地下水污染

groundwater contamination的用法和样例：

例句

1. There are many groundwater pollution sites in China, which threatened the safety usage of water resources.
   摘要我国存在大量的地下水污染场地，给地下水资源的使用带来了严重威胁。
2. Waste containers are covered or kept under roofing to prevent storm water and ground water contamination.
   废料收集箱须有盖或放在室内以确保不会受雨水或地下水污染。