Otherwise,he says, there is no way to prevent them from doing this again to his children or his grandchildren.

VOA: standard.2009.09.07

So, you're treating healthy people and you're trying to prevent them from getting a disease and you don't know who's going to get it.

所以,你处治的对象是健康人群,要使他们远离疾病,但你不知道谁会被感染

耶鲁公开课 - 生物医学工程探索课程节选

It's contracting so the Fed is trying to prevent a serious recession by cutting interest rates; they've been cutting them rapidly.

它在减小,所以美联储正在试图阻止一个因为利率缩减,而产生的严重的经济衰退；,但是他们最近一直在降低利率。

耶鲁公开课 - 金融市场课程节选

The conference will discuss groups like al-Qaida and how to prevent them from obtaining nuclear materials for bombs.

VOA: standard.2010.04.06

And he tries to "prevent" them with his humble ode.

弥尔顿努力想用谦逊的颂歌来“阻止“他们。

耶鲁公开课 - 弥尔顿课程节选

"It would be unethical for us to turn our back on these people and not conduct the research that is so desperately needed to develop the drugs to treat these diseases and the vaccines to prevent them in the future."

VOA: standard.2010.02.16

Similarly,I believe that if we wish to prevent drug abuse in teenagers who grow up in a neighborhood that puts them at risk, the effective prevention is not remedial.

同样，如果我们要防止,青少年受不良的社会环境影响,而滥用药物的情况，但预防的效果不佳。

哈佛公开课 - 幸福课课程节选

The volunteers placed the plants about five centimeters into the soil to prevent rising and falling water levels from pulling them out.

VOA: special.2009.10.06

The authors say community education programs could help prevent snakebites by teaching people how to avoid them.

VOA: special.2010.01.25

That is,it is better to eat vitamin-rich foods to prevent disease instead of eating them to cure a disease after it has developed.

VOA: special.2009.04.21

Oil and gas companies say new rules prevent them from moving quickly to increase production.

VOA: special.2011.04.23

Nourizadeh also says that the students have reportedly invited their parents to participate, in order to prevent security forces from attacking them.

VOA: standard.2009.12.07

The intent is to make sure that no one can discuss anything. The intent is to shout them down, to prevent intelligent discussion.

VOA: standard.2009.08.17

Restaurant and night club owners, and employees have been protesting the closure of their workplaces outside of government offices, arguing that the measures taken to prevent the spread of the virus are depriving them of their livelihood.

VOA: standard.2009.04.30

"We reacted very quickly and tried to prevent these characters from boarding on to the ship, but unfortunately by the time we reacted, some of them had already succeeded and accessed the ship and had even managed to reach the cabin crew area,"

VOA: standard.2009.09.26