prevent 高考四级六级考研

It is hard to prevent concrete from creeping.

很防止水泥变形。

Always keep food covered to prevent contamination by flies.

时常把食物盖着以防苍蝇污染。

The wood is treated with preservative to prevent decay.

这块木头用防腐剂处理过以防止腐烂。

The ambassador did his utmost to prevent the outbreak of hostilities.

这位大使竭尽全力防止战事的爆发。

It is the job of the police to prevent crime.

防止犯罪是警察的职责。

More care in the future will prevent recurrence of the mistake.

将来的小心可防止错误的重现。

They took steps to prevent the spread of influenza.

他们措施阻止流感的传播。

Only her quick reaction prevented an accident.

她的快捷反应避免了一次事故。

The importance of washing one's hands before a meal is that it prevents infection.

饭前洗手的重要性在于防止传染。

The task will be finished ahead of schedule if nothing prevents.

"如果没有什么阻碍的话,这项任务将提前完成。"

Rebellious students stubbornly demanded that the CIA be prevented from recruiting on campus.

反抗的学生们坚决要求不准中央情报局在学校里招募人员。

I’m trying to prevent the reversion of my garden to nature.

我正在试图防止我的花园返回一片荒芜的自然状态。

All these measures were calculated to prevent water-logging by rainstorm or mountain torrents.

这些措施都是为了防暴雨或山洪造成的涝灾。

Patrick lifted the gate to prevent it scraping along the ground.

帕特里克把门抬起来免得刮着地面。

Nickel underplating prevents the migration between tin or gold platings and the base material.

垫板镀镍可防止在镀锡或金层与基料之间的移动。

Cotton mittens will prevent the baby from scratching his own face.

棉的连指手套使婴儿不会抓伤自己的脸。

Seemingly, we can do nothing to prevent this from happening.

我们似乎没有什么办法阻止这件事发生。

What prevented you from joining us last night?

昨天晚上什么事使你不能参加我们的晚会?

Vitamin C is supposed to prevent colds.

维生素C可以防感冒。

I have been unavoidably prevented from coming.

我身不由己, 不能前往。