prevents

过去式：

动词过去式: prevented

更多词形：

形容词: preventable | 名词: preventability | 动词过去式: prevented | 动词过去分词: prevented | 动词现在分词: preventing | 动词第三人称单数: prevents |

单词例句：

I am very sorry that a previous engagement prevents me from accepting your kind invitation.

我很抱歉，因为已另有约会不能接受你的盛情邀请。

I saw no reason why the two cars were damaged. We ought to take actions to prevent this kind of thing in the future.

我看不出为什么两台车遭到破坏。我们应该采取措施防止将来再发生这样的事情。

Signal which prevents accidental operation by spurious signals or avoids possible ambiguity.

防止假信号的意外作用或者避免二义性而设置的信号。

In small lamps, all the air is pumped from the glass bulb, forming a vacuum, which prevents the white-hot filament from burning away.

在小照明灯中，所有的空气都从灯泡中抽出，形成真空，以防炽热的灯丝被烧毁。

Pertaining to a state of a processing unit that prevents the occurrence of certain types of interruptions.

用于修饰或说明处理单元的某种状态，在此状态下阻止某种类型的中断发生。同masked。

These regulations are intended to prevent accidents.

这些规章制度旨在防止事故发生。

It is the business of the police to prevent and detect crime and of the law courts to punish crime.

防止及侦察犯罪是警察的职务而惩罚犯罪是法庭的职责。

The car came to a halt just in time to prevent an accident.

汽车及时停下，避免了一场车祸。

All the roads and bridges to the front line were destroyed to prevent the enemy's supplies and ammunition from coming up.

通往前线的道路和桥梁全都被毁坏了，以阻止敌人把军需品和军火运送到前线。