prevent

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：

A security device(often part of a terminal) that reads information(often from a magnetic strip) on a badge inserted in a slot. In this way, it can prevent the unauthorized use of a display station before allowing an operator to sign on.

一种安全设备(通常是终端的一部分), 它可以读取插入槽中的标记卡上的信息(这些信息往往以磁条码的形式记录在标记卡上)。用这种办法，在允许操作员进入系统前，可以防止对一个显示工作站的非法使用。参阅badge。

Sometimes we can prevent a cloud from producing rain.

有时我们可以阻止云产生雨。

The police put up barrier to prevent the football hooligan from damaging property.

警察搭起障碍物防止观看足球的流氓破坏财产。

The captain had to hold the wheel firmly to prevent the ship from broaching to.

船长牢牢掌住航轮，以防船的侧面迎着风浪。

Insulation used to prevent heat diffusion, as from a steam pipe.

绝热材料用来防止热量散失的绝热材料，如从蒸汽输送管上

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。

Nobody can prevent him from running the risk.

没有人能够阻止他去冒险。

The incessant hurry and trivial activity of daily life seem to prevent, or at least, discourage quiet and intensive thinking.

不停的动乱和日常生活的平凡活动看来会阻碍或者至少会使人不能安静地集中思考。

The policy is designed to prevent the predominance of one group over another.

该政策旨在防止一些人压制另一些人。