There's been talk of a retaliatory blockade to prevent supplies from getting through.

有人在谈论实施报复性封锁，以阻止供应物资通过。

《柯林斯英汉双解大词典》

We hope to prevent anything unpleasant from happening.

我们希望防止任何不愉快的事发生。

《牛津词典》

It was too late to prevent the story from appearing in the national newspapers.

要阻止全国性报纸刊登这件事情已为时太晚。

《牛津词典》

The agreement sets targets to prevent the Earth's average temperature from rising more than two degrees Celsius above pre-industrial levels.

VOA: special.2009.12.26

Twenty-one nations around the world recently joined forces to better understand and prevent greenhouse gas emissions from farms.

VOA: special.2010.01.05

He wants to prevent banks from using government-insured deposits to make risky investments.

VOA: special.2010.01.22

Minutes later it took desperate last-ditch defending to prevent Kenny-Dowall from adding a second on the right-hand side, as he was stopped from grounding the ball.

BBC: New Zealand 24-10 England

Another challenge facing location-based networks is to prevent tech-savvy individuals from gaming their systems.

ECONOMIST: A tale of fake mayors and real deals

Republican lawmakers used the pro-forma sessions - as Democrats have done in the past - to prevent the president from using his recess appointments power.

BBC: Obama recess appointments found unconstitutional