Here are some tips on how to prevent drowning when you go for a swim.

以下是一些游泳时如何防止溺水的建议。

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The story will gently teach children how to prevent the disease (疾病) in a language that they can easily understand.

这个故事将以更容易理解的方式教孩子如何预防该疾病。

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That should help us determine how to prevent further decline in the population.

这将有助于我们确定如何防止人口的进一步下降。

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They could also learn how to prevent identity theft, how to understand their telephone bill, and even how to choose between competing cable television systems.

VOA: special.2011.06.24

How can we prevent murderous schoolyard violence in children who have access to weapons,poor parental supervision, and a mean streak?"

如何防止校园暴力,这些暴力事件通常是由掌握武器，缺乏父母监管，或受到教唆的孩子引起的“

哈佛公开课 - 幸福课课程节选

Nobody knows how bad the mortgage crisis is going to get but Ben Bernanke thinks that it's so important that we prevent a collapse that we should take that risk.

没有人知道抵押危机,到底会有多坏的影响，但是本？伯南克认为,预防承担那个风险所带来的暴跌,是非常重要的。

耶鲁公开课 - 金融市场课程节选

The government wants to know what the risks are and how to prevent attacks.

FORBES: Cyberattacks -- Is North Korea Already At War With Us?

But we know what can cause mine explosions, and we know how to prevent them.

WHITEHOUSE: President Obama Orders Review of Mine Safety

For nearly three years America has been debating how to prevent another financial crisis.

FORBES