The bacteria that decompose the phytoplankton deplete the oxygen in the water, suffocating animal life;

分解浮游植物的细菌耗尽了水中的氧气，使动物窒息；

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A warming planet will spread disease, shrink water resources, and deplete crops, creating conditions that produce more famine and more conflict.

一个正在变暖的地球会传播疾病、缩减水资源、摧毁庄稼，从而造成产生更多饥荒和更多冲突的环境。

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"If you have an imbalance, or literally too much nitrogen and too much phosphorous getting into those systems, you can essentially deplete the oxygen in that water.

VOA: standard.2010.08.04

He worries that fracking could deplete local water supplies, that there already is a shortage of rental housing and that a large stream of strangers might be more than some locals bargained for.

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Yet as Sana'a's water basin continues to deplete, Mohammed's family, like so many others throughout the region, are still digging deeper and deeper to find the water they need.

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