They prospected the land to find water sources.

他们在这片土地上勘探水源。

The bald eagle usually lives near water sources.

白头鹰通常生活在靠近水源的地方。

The desert dweller relies on scarce water sources.

沙漠居民依赖稀缺的水源。

In the barren desert, water sources are very scarce.

在贫瘠的沙漠中，水源非常稀缺。

Contaminants in the runoff can pollute water sources.

地表径流中的污染物可能会污染水源。

Nondegradable waste can pollute soil and water sources.

不可降解的垃圾会污染土壤和水源。

Hexachlorobenzene can contaminate soil and water sources.

六氯苯可以污染土壤和水源。

Engineers study aquifers to find sustainable water sources.

工程师研究含水层以寻找可持续的水源。

The karez uses underground water sources to irrigate fields.

坎儿井利用地下水源灌溉农田。

Researchers are developing methods to detect pahs in water sources.

研究人员正在开发检测水源中多环芳烃的方法。