v. 预防;阻止(prevent的第三人称单数)
v keep from happening or arising; make impossible
v stop (someone or something) from doing something or being in a certain state

prevent的用法和样例:

例句

用作动词(v.)
  1. Scientists are trying to find ways to prevent disease.科学家们正试图找到预防疾病的方法。
  2. It is the job of the police to prevent crime.防止犯罪是警察的职责。
  3. Nothing can prevent us from carrying out the plan.什么也无法阻挡我们去实施这个计划。
  4. Ways must be found to prevent the poisonous gases from polluting the air.一定要找到办法防止有毒气体污染空气。

常见句型

用作动词(v.)
用作不及物动词S+~(+A)
  1. 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.
  1. Business has prevented me.我因有事耽搁了。
  2. 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。
  3. These rules are intended to prevent accidents.制定这些规则,是为了防止事故。
  4. Systems, however good, cannot prevent evils.制度再好也防止不了坏事发生。
  5. They are taking effort to prevent a new civil war.他们正努力制止一场新内战。
S+~+sb/sb's v -ing
  1. A severe cold prevented his attending the meeting.他患了重感冒,未能出席会议。
  2. Nobody can prevent our getting married.谁也阻止不了我们结婚。
  3. That affair will probably prevent me coming.那件事可能使我来不了。
  4. The rain prevented us starting on a trip.下雨阻碍了我们出发去旅游。
  5. That didn't prevent us getting on very well together.这并不妨碍我们很好地相处。
  6. What can we do to prevent this disease spreading?我们能做什么来阻止这种疾病蔓延呢?
  7. He would be the man to prevent a new war breaking out.此人也许能阻止新的战争爆发。

常用短语

用作动词(v.)
prevent from (v.+prep.)
    阻止,防止 stop from; keep fromprevent sb/sth from v-ing

    My only idea was to prevent the woman from speaking.

    我唯一的想法就是不让那女人讲话。

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

    很抱歉,因为我已另有约会不能接受你好意的邀请。

    Let nothing prevent you from doing your duty.

    不要让任何事情妨碍你尽你的职责。

    This will prevent them from abusing their power and enjoying special privileges.

    这就可以防止他们滥用权力,享受特权。

    We should take measures to prevent the flood from threatening that area.

    我们应该采取措施防止洪水威胁那地区。

    Metals are usually coated with paint to prevent them from rusting.

    通常在金属上涂漆以防止生锈。

    What prevents rays from entering your eyes?

    什么阻止光线进入你的眼睛?

    His prompt action prevented the fire from spreading.

    他的果断行动制止了火势的蔓延。

    Who prevents their plans from being carried out?

    谁会阻止他们实施自己的计划呢?

    We must try to prevent our environment from being polluted.

    我们应该防止环境受到污染。

    I have been unavoidably prevented from coming.

    我身不由己,不能前来。

    I was prevented by illness from joining in the competition.

    我因病未能参加竞赛。

    Unless we get more funding we'll be prevented from finishing our experimental programme.

    我们如果得不到更多的经费,将无法完成实验计划。

    They were prevented from stealing the car by a smart policeman.

    一名机警的警察使他们盗车未遂。

词汇搭配

用作动词 (v.)
~+名词
  • prevent a destructive explosion防止破坏性爆炸
  • prevent a disaster预防一场灾难
  • prevent a smile克制住笑
  • prevent a war阻止一场战争
  • prevent damage防止损害
  • prevent its freezing防止它冻结
  • prevent the airplane's taking off使飞机无法起飞
  • prevent the spread of pneumonia预防肺炎蔓延
~+副词
  • prevent admirably很好地预防
  • prevent automatically自动防止
  • prevent cautiously小心地预防
  • prevent completely完全阻止
  • prevent effectively有效地预防
  • prevent effectually有效地预防
  • prevent forcibly强有力地防止
  • prevent fully完全阻止
  • prevent mechanically机械性地防止
  • prevent medically医疗防止
  • prevent permanently永久防止
  • prevent probably可能防止
  • prevent scientifically科学地预防
  • prevent unavoidably不可避免地阻止
  • prevent from阻止…发生
  • prevent sb from coming阻止某人前来
  • prevent disease from spreading防止这种疾病蔓延

经典引文

  • The fortunate soil assisted, and even prevented, the hand of cultivation.

    出自:Gibbon

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