When medical researchers learned how to prevent diseases and stop them from spreading, the quality of life for many people around the world improved.

当医学研究人员了解了如何预防疾病并阻止其传播时，全世界许多人的生活质量得到了改善。

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Medical research often makes use of the forest's plant and animal life, and the destruction of such species could prevent researchers from finding cures for certain diseases.

医学研究通常利用森林中的动植物，毁坏这些物种可能会令研究人员找不到某些疾病的治疗药物。

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Anti-diseases anvil-wood is very effective in brinjal engrafting to prevent soil-transmitted diseases and increase production greatly with no pollution.

抗病砧木在茄子嫁接中非常有效，防止通过土地传播的疾病，无污染地大大增加产量。

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Life expectancy rates climbed, because doctors and scientists developed effective ways to prevent or treat diseases such as tuberculosis, typhoid,diphtheria,and influenza.

VOA: special.2010.12.02

You also know that there's some vaccines that are not yet available, for diseases that we would very much like to prevent.

你们知道现在还有一些疫苗,仍没有研制出来,都是针对那些亟需预防的疾病的

耶鲁公开课 - 生物医学工程探索课程节选

Experts say the best way to prevent the diseases carried by mosquitoes is not to be bitten by one.

VOA: special.2009.05.26

China's decision comes several months after the U.S. Department of Health and Human Services and the Centers for Disease Control and Prevention removed HIV infection from the list of diseases that prevent non-U.S. citizens from entering the country.

CNN: WHO commends China on repeal of AIDS ban

People use this data to advocate for causes, rescue disaster victims, prevent diseases, research markets, locate pools of skilled workers and more.

WHITEHOUSE: Our Top Stories

And, vaccines that can prevent diseases like flu and cancer are underused.

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