prevent
v. 阻碍; 预防
To prevent something means to ensure that it does not happen.
These methods prevent pregnancy...
这些方法能防止怀孕。
Further treatment will prevent cancer from developing...
进一步的治疗将阻止癌症恶化。
To prevent someone from doing something means to make it impossible for them to do it.
He said this would prevent companies from creating new jobs...
他说这将使公司无法创造新的工作机会。
Its nationals may be prevented from leaving the country...
其国民可能会被禁止出境。
1. keep from happening or arising; have the effect of preventing;
2. prevent from doing something or being in a certain state;
block, bar, hinder, obstruct, prevent, hamper
这些动词均含有"阻止,阻塞"之意。
The fence is strategically sited to prevent anyone getting onto the beach.
这个围栏的地点选择得很有策略,可以阻止任何人到海滩上.
How can we prevent such distress?
我们怎样才能避免这种贫困?
We should prevent others cashing in before we've time to market the product.
我们应该防止别人在我们没有来得及在市场上销售这产品之前大捞一笔.
She tried to prevent her work from encroaching too far on her private life.
她尽力避免工作过多地影响她的私生活.
We must prevent the trouble from spreading.
我们必须防止这个乱子扩大.