In ponds closest to the colony, the results showed there were far more pollutants than in ponds less affected by the birds.

结果显示，比起受鸟类影响较小的池塘，离栖息地最近的池塘里污染物含量更高。

youdao

Fishermen try their luck in ponds, lakes and rivers.

渔夫在池塘、湖泊和河川里试他们的运气。

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Then workers opened a freshly dug river channel that? Stranded small fish in ponds and marshes.

后来，工人挖开一条新河道，不料将池塘和沼泽中的小鱼困住。

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Dewaal says, there is evidence some imported shrimp are grown in contaminated ponds.

VOA: standard.2010.05.27

He's interested in sailing and learns about sailing on lakes, and ponds, and rivers.

他喜欢航海,并在湖泊,池塘,河流里学习航行

耶鲁公开课 - 欧洲文明课程节选

About 9, 000 people are employed at Sellafield where radioactive waste lies in ponds and silos.

BBC: Sellafield clean-up cost reaches ?67.5bn, says report

The theory is simple: find fish which like eating mosquito larvae and put them in ponds, rivers and wells where mosquitoes lay their eggs.

BBC: NEWS | Science/Nature | Fish eat away at malaria in India

Biologists surmise that fish in the lake have high levels of organochlorines caused by chemicals accumulating in ponds and ditches on the land off the northeast part of the lake.

CNN: Chemicals killing Florida birds, fish