Until now scientists had very little clear evidence about the drug's role in preventing more serious effects of infection.

到目前为止，科学家们几乎没有该药物在防止更严重的感染后果的功能的明确证据。

《柯林斯英汉双解大词典》

Coffee also contains trigonelline, an antibacterial compound that not only gives it a wonderful aroma but may be a factor in preventing dental caries.

咖啡还含有葫芦巴碱，这是一种抗菌的化合物，它不仅提供良好的香气，而且可能是预防龋齿的一个因素。

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We are glad to know that traditional Chinese medicine can work wonders in preventing some diseases.

我们很高兴得知传统中医在预防某些疾病方面可以发挥奇效。

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It would also provide training for local police in preventing violence against women.

VOA: special.2009.10.24

Now it's different in important ways because it's really focused at preventing the collapse of the economy that is created by a financial system failure.

现在，这个不同有很重要的意义,因为它真正专注于,阻止被金融系统的失败而引发的,经济的崩溃。

耶鲁公开课 - 金融市场课程节选

In fact, the United Kingdom has been an international model for preventing bank runs because the Bank of England would always lend to a bank that was in trouble in order to keep them out of the problem.

事实上,英国一直是全球,预防银行挤兑的模范,因为英格兰银行总会借款,给陷入危机的银行以确保它们脱离险境

耶鲁公开课 - 金融市场课程节选

This is not the first time a study has shown a benefit in preventing the risk of cancer.

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In clinical trials these substances have killed germs and showed potential in preventing cancer and fighting heart disease.

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Actos, at least, seems to have some real benefit for diabetics in preventing heart disease.

FORBES: Magazine Article