Sugar can cause tooth decay by being used as a food source for the bacteria found on our teeth, which causes plaque.

糖通过被那些存在我们牙齿的引起斑块的细菌作为一种食物来源，可以导致牙齿腐烂。

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Climate change is bad for us human beings, which causes direct health problems.

气候变化对我们人类有害，其会直接影响健康问题。

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They are very abundant because of the absence of the jaguar, which causes imbalances in the ecosystem.

因为没有美洲虎，它们非常丰富，这导致了生态系统的不平衡。

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"Which causes heart attacks and strokes." The World Health Organization reports an estimated 17 million people die of heart disease and stroke every year.

VOA: standard.2010.04.22

It's reproduction of the virus and passage of that virus onto new cells which causes the problems with disease that we associate.

病毒一旦繁殖并进入新细胞,就会带来相关病症的危害

耶鲁公开课 - 生物医学工程探索课程节选

But variola, which causes smallpox in humans, and vaccinia, which causes a disease called cowpox in cattle, turned out to be, we now know, viruses that are molecularly very similar.

但是导致天花的人痘病毒,和导致牛痘,的牛痘病毒,后来发现其实是,我们现在知道,这两种病毒在分子水平上十分相似

耶鲁公开课 - 生物医学工程探索课程节选

Half of all long-term smokers will die from tobacco-related illness, which causes 100, 000 deaths a year.

BBC: '570 children a day' start smoking

Biogen Idec has a new drug for chronic lymphocytic leukemia, which causes 20% of leukemia deaths.

FORBES: Magazine Article

Staphylococci and yeasts such as Candida albicans, which causes thrush, were also kept at bay.

BBC: Bacteria may be added to tampons