prevents

Dentists advise their patients to brush and floss regularly to prevent their teeth from decaying.

医建议他的病人定并用洁线剔，以蛀。

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。"

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传染。

Rheumatism prevents him form bending his back.

风湿病使他不能弯腰。

I have been unavoidably prevented from coming.

我身不由己, 不能前往。

A fireguard prevents children getting near the fire.

炉挡孩子靠近炉火。

It is the job of the police to prevent crime.

犯罪是警察的职责。

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

反抗的学生坚决要求不准中央情报局在学校里招募人员。

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

垫板镀镍可在镀锡或金层与基料之间的移动。

Prevent stern red anthema and cross infection.

可避免交叉感染。

Only her quick reaction prevented an accident.

她的快捷反应避免了一次事故。

Vitamin C is supposed to prevent colds.

维生素C可以预感冒。

The diluent could prevent trimebutine maleate from precipitation.

能较好地阻马来酸曲美布丁的结晶析出。

It is hard to prevent concrete from creeping.

很难泥变形。

What prevented you from joining us last night?

昨天晚上什么事使你不能参加我的晚会?

The wood is treated with preservative to prevent decay.

这块木头用腐剂处理过以腐烂。

Always keep food covered to prevent contamination by flies.

时常把食物盖着以苍蝇污染。

Sharp corners should be radiused to prevent arc over.

这是所有剪裁下来的片子。

The police tried to prevent infiltration by drug traffickers.

警方尽力阻毒品走私分子的潜入。

Numerous interruptions have prevented me from finishing the work.

数不清的干扰使我未能完成这项工作。