你们知道prevent的用法吗？我们一起来学习学习吧，
用作动词(v.)
用作不及物动词
S+～(+A)
We shall come tomorrow if nothing prevents.
如没有什么阻碍的话，我们明天来。
用作及物动词
S+～+n./pron.
Business has prevented me.
我因有事耽搁了。
Sally said she would come to see me if nothing prevented her.
萨丽说要是没有什么事情妨碍她的话，她就来看我。
These rules are intended to prevent accidents.
制定这些规则，是为了防止事故。
Systems, however good, cannot prevent evils.
制度再好也防止不了坏事发生。
S+～+sb/sb'sv-ing
A severe cold prevented his attending the meeting.
他患了重感冒，未能出席会议。
Nobody can prevent our getting married.
谁也阻止不了我们结婚。
That affair will probably prevent me coming.
那件事可能使我来不了。
The rain prevented us starting on a trip.
下雨阻碍了我们出发去旅游。
英 [priˈvent] 美 [prɪˈvɛnt]
一、详细释义：
v.
阻止，妨碍 [I,T]
例句：
This discrepancy will prevent me from obtaining a visa.
因为这一差错，我将得不到签证。
例句：
The police have been trying to prevent them carrying weapons.
警方一直都设法阻止他们携带武器。
预防，防止 [I,T]
例句：
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。
例句：
These methods prevent pregnancy.
这些方法能防止怀孕。
二、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。
三、参考例句：
These methods prevent pregnancy.
这些方法能防止怀孕。
These methods prevent pregnancy.
这些方法能防止怀孕。
This will prevent leaning back.
这将避免身体向后地倾斜。
The condom helps prevent pregnancy.
避孕套是避孕措施之一。
Vitamin C is supposed to prevent colds.
维他命C被认为能预防感冒。
They held their breath to prevent exposure.
他们屏住呼吸以防暴露。
Crop rotation helps prevent soil erosion.
农作物轮作有助于防止水土流失。
These rules are intended to prevent accidents.
这些规则旨在防止事故发生。
Atmospheric conditions often prevent observation of stars.
大气的情况常使人们无法观察星星。
Nobody can prevent our getting married.
谁也阻止不了我们结婚。
商务写作指南：prevent、prohibit和ban的用法
WRONG: The Lease does not provide for a period of time during which the Tenant is prevented to use the Premises.
错误用法：租约中并未指明房客不能使用所租房屋的时间界限。
RIGHT: The Lease does not provide for a period of time during which the Tenant is prevented from using the Premises.
正确用法：租约中并未指明房客不能使用所租房屋的时间界限。
WRONG: The crew should be provided with training on how to prevent from sea contamination.
错误用法：船员应该接受关于如何防止海洋污染的培训。
RIGHT: The crew should be provided with training on how to prevent sea contamination.
正确用法：船员应该接受关于如何防止海洋污染的培训。
Although the verb “prevent” takes the preposition “from”， it can also be used with no preposition. The rules are as follows:
尽管动词“prevent”可以带介词“from”，它也可以不用介词。规则如下：
“prevent” + something
“prevent”+某事
The soldiers prevented the evacuation.
例句：士兵们阻止撤离。
“prevent” somebody from + -ing
“prevent”某人做某事
The soldiers prevented the refugees from evacuating.
例句：士兵们阻止难民们撤离。
The word “prohibit” works in exactly the same way:
单词“prohibit”的用法和“prevent”基本一致：
“prohibit” + something
“prohibit”+某事
The school rules prohibit smoking.
例句：学校规定禁止吸烟。
“prohibit” somebody from + -ing
“prohibit”某人做某事
There are no specific provisions in the law that would prohibit an employer from summarily dismissing an employee due to his/her misconduct.
例句：法律中没有特定的条文禁止雇主在暑假期间因为员工的表现不佳而将其解雇。
The verb “ban” also works in the same way:
动词“ban”也是类似的用法：
The government banned advertising of tobacco products in 2002.
例句：2002年，政府禁止烟草制品打广告。
The court banned him from attending football matches.
法庭禁止他参加足球比赛。
1、 A dentist may decide to extract the tooth to prevent recurrent trouble.
牙医可能会决定拔掉那颗牙，以免反复发作。
2、 The security zone was set up to prevent guerrilla infiltrations.
设立了安全区以防止游击队员的渗入。
3、 Smear Vaseline on to your baby's skin to prevent soreness.
给孩子皮肤上抹些凡士林以防止肿痛。
4、 The security forces had to intervene to prevent the situation worsening.
安全部队不得不介入，以防止局势进一步恶化。
5、 Police are out in force to prevent a recurrence of the violence.
警方出动大量警力防止暴力事件再次发生。
6、 Lemon juice can help to prevent economy-class syndrome by improving blood circulation.
柠檬汁能够改善血液循环，有助于预防经济舱综合征。
7、 Riot police are being deployed throughout the city to prevent any trouble.
正在全城部署防暴警察以防止发生骚乱。
8、 Family control would prevent any hostile takeover or greenmail attempt.
家族管理可以防止任何恶意收购或绿票讹诈的企图。
9、 He tried to prevent union money from being sequestrated by the courts.
他试图阻止法院扣押工会的资产。
10、 The house has been barred and bolted to prevent re-entry.
房子已经被封了，门被闩上，防止有人入内。
11、 We recognized the possibility and took steps to prevent it happening.
我们认识到了这种可能性，并且采取了一些预防措施。
12、 Early identification of a disease can prevent death and illness.
病症的及早诊断可避免死亡与病痛。
13、 Stir the custard occasionally to prevent a skin forming.
要不时地搅拌牛奶蛋糊，防止其表面结皮。
14、 Officials say they'll spare no expense to prevent another riot.
官员说他们会不惜一切地阻止再次发生暴乱。
15、 He said this would prevent companies from creating new jobs.
他说这将使公司无法创造新的工作机会。
1. A dentist may decide to extract the tooth to prevent recurrent trouble.
牙医可能会决定拔掉那颗牙，以免反复发作。
2. The security zone was set up to prevent guerrilla infiltrations.
设立了安全区以防止游击队员的渗入。
3. Smear Vaseline on to your baby's skin to prevent soreness.
给孩子皮肤上抹些凡士林以防止肿痛。
4. The security forces had to intervene to prevent the situation worsening.
安全不得不介入，以防止局势进一步恶化。
5. Police are out in force to prevent a recurrence of the violence.
警方出动大量警力防止事件再次发生。
6. Lemon juice can help to prevent economy-class syndrome by improving blood circula
柠檬汁能够改善血液循环，有助于预防经济舱综合征。
Hi guys! Dan for BBC Learning English here. This time we're looking difference between prevent and avoid.
英语prevent是什么中文意思优秀12篇
Prevent basically means stop. If you prevent something, you stop it from happening - often before it starts.
prevent主要表示阻止。阻止某事即不让某事发生——通常在事情发生之前。
You can prevent something, prevent something from happening or prevent someone from doing something.
用于表示阻止某事，组织某事发生或者阻止某人做某事。
For example:
比如说：
The arrival of the police prevented crime.
警察到来制止了犯罪。
Or:
再比如：
Losing my passport prevented me from flying.
我的护照丢了，上不了飞机。
Or:
又比如：
I prevented her from slapping me! Wow!
我挡住了她打我的手！哇！
Now avoid, basically means miss. If you avoid something, you try to make it miss you.
avoid主要表示错过。如果你避免某事，即努力让某事不发生在自己身上。
For example:
例如：
I avoided meeting my ex.
我避免碰见前任。
Or:
再比如：
I avoided the slap easily!
我轻松躲过了掌掴！
1. A dentist may decide to extract the tooth to prevent recurrent trouble.
牙医可能会决定拔掉那颗牙，以免反复发作。
2. The security zone was set up to prevent guerrilla infiltrations.
设立了安全区以防止游击队员的渗入。
3. Smear Vaseline on to your baby's skin to prevent soreness.
给孩子皮肤上抹些凡士林以防止肿痛。
4. The security forces had to intervene to prevent the situation worsening.
安全不得不介入，以防止局势进一步恶化。
5. Police are out in force to prevent a recurrence of the violence.
警方出动大量警力防止事件再次发生。
6. Lemon juice can help to prevent economy-class syndrome by improving blood circulation.
柠檬汁能够改善血液循环，有助于预防经济舱综合征。
1.防止；预防；阻止
Further treatment will prevent cancer from developing...
进一步的治疗将阻止癌症恶化。
We recognized the possibility and took steps to prevent it happening.
我们认识到了这种可能性，并且采取了一些预防措施。
2. 阻止；制止；阻碍
He said this would prevent companies from creating new jobs...
他说这将使公司无法创造新的工作机会。
Its nationals may be prevented from leaving the country...
其国民可能会被禁止出境。
The police have been trying to prevent them carrying weapons.
警方一直都设法阻止他们携带武器。
3.词组用法
“prevent” + something
“prevent”+某事
The soldiers prevented the evacuation.
例句：士兵们阻止撤离。
“prevent” somebody from + -ing
“prevent”某人做某事
The soldiers prevented the refugees from evacuating.
例句：士兵们阻止难民们撤离。
现在分词： preventing
过去式： prevented
过去分词： prevented
Prevent 阻止；阻碍；阻挠
prevent doing sth. 阻止做某事
prevent sb from doing sth 阻止某人做某事
1、
Nothing would prevent him from speaking out against injustice.
什么也阻止不了他反对公平的演讲。
2、
Her sudden arrival prevented him from going out.
她突然来到，使他不能外出
3、
Their prompt actions prevented the fire from spreading.
他们敏捷的行动阻止了火势的蔓延不能阻止他鸣不平
4、
Who prevents the plans from being carried out?
谁阻止了他们计划的实施？
5、
She thought he would make an abject fool of himself, and for her sake, as well as his, decided to prevent him from standing.
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7、
But this did not prevent the parents unable to shake his head.
但这丝毫没有阻止父母不住地摇头。
He said the "six steps" or "building blocks" can help prevent history from repeating itself.
他说，这“六个步骤”或“搭建屏障”可以帮助预防历史重演。
And yet they did not understand how they had to act to prevent a replay of the past.
然而，他们不明白自己怎样做才能防止过去的悲剧重演。
"The test is just a finger prick away, and can prevent a lot of problems, " he said.
他说：“检测仅仅是进行手指刺破，但却能阻止许多问题。”
Nothing but a miracle could prevent the company from going bankrupt.
只有奇迹发生，这家公司才能免于破产。
Was more to prevent ugly you secretly sneaked into the bottom of my heart.
更得严防丑恶偷偷潜入你心底。
prevent的用法和辨析相关文章：
vt. 预防；阻碍；阻止；[宗教]引领
vi. 阻挠，阻止；
阻挠，阻止