prevent

英[pri'vent]美[pri'vent]

v [T]
[~ sb/sth (from doing sth) stop or hinder sb/sth] 阻止或妨碍某人/某事物

时　态：prevented,preventing,prevents

名　词：prevent'er

形容词：prevent'able,prevent'ible

同反义词

同：	[v.] forbid, foreclose, forestall, keep
反：	[v.] allow, let, permit

词义辨析

block，bar，hinder，obstruct，prevent，hamper

这些动词均含有“阻止、阻塞”之意。
block语气强烈，指有效堵住了通道，使人或物无法通过。
bar含义与block很接近，指阻塞通道或禁止出入，但有对暗示不用障碍物的阻止或禁止。
hinder语气较轻，多指阻碍、拖延人或事，强调使进展速度缓慢下来。
obstruct正式用词，语气强，多指以干扰或设置障碍的方式阻碍交通，使不能自由畅通。
prevent含义广泛，指采取预防措施或设置障碍去阻止某人或某事。
hamper侧重因受到约束或阻碍而造成的行动困难。

参考例句

A material used to prevent leakage or seepage,as around a pipe joint.
密封圈用来防止漏水或渗漏的一种材料，如水管的接合处。收藏
Prevent the misuse of obsolete documents, which shall be marked clearly.
防止作废文件的误用,对这些文件进行醒目的作废标记。收藏
It has also been suggested that bifidobacteria reduce or prevent the excretion of rotaviruses, a cause of diarrhea among children.
研究表明,双歧杆菌可以减少或阻止轮状病毒,它会引发儿童腹泻。收藏
Fruits and vegetables are often frozen in a syrup or vacuum-sealed to exclude air and prevent oxidation and desiccation.
水果放在糖浆或裹在干糖内冷冻，隔绝空气以防氧化和干燥。收藏
The solution then is to prevent the country from becoming a net debtor in the first place.
解决这个问题，首先是要防止一个国家成为净债务国。收藏

　　　 more...

英英解释

动词解释：

keep from happening or arising; make impossible
- My sense of tact forbids an honest answer
- Your role in the projects precludes your involvement in the competitive project
[同] forbid, foreclose, forestall, preclude, prevent
prevent from doing something or being in a certain state
- We must prevent the cancer from spreading
- His snoring kept me from falling asleep
- Keep the child from eating the marbles
[同] keep, prevent
[反] allow, let, permit

查询结果不满意？帮小D改进一下吧

开心词场背单词

prevent

动词解释：

站内文章

热门词汇