植物和微生物对废水进行过滤，以便重复使用于冲洗厕所和其它非饮用途。

Plants and microorganisms filter wastewater so it can be reused to flush toilets and for other non-potable USES.

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结果，许多动植物面临危险，昆虫传粉和微生物改良土壤等基本自然过程也面临危险。

As a result, many plants and animals are at risk, as well as essential natural processes such as pollination by insects and the regeneration of soils by micro-organisms.

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这种微量的银对人体没有健康风险，却能杀灭水中的99.89%的细菌和微生物。

The silver, which presents no health risks in such miniscule amounts, kills off 99.89 percent of the microbes that live in the water.

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So, not just a spectrum of viruses, but there's viruses and bacteria and parasites and other microorganisms that can cause disease.

所以,不是只有病毒,还有病毒,细菌,寄生虫,和其它各种微生物都能导致疾病

耶鲁公开课 - 生物医学工程探索课程节选

And so this is a substantial change in the interaction of a microorganism with a population, right?

所以这是微生物和人类,之间关系的一个巨大改变,对吧

耶鲁公开课 - 生物医学工程探索课程节选

We've got, roughly, germ theory and we've got demon theory.

把它们概括一下,微生物理论和恶魔理论

耶鲁公开课 - 死亡课程节选