prevent

英 [prɪˈvent]

美 [prɪˈvent]

v.  阻止; 阻碍; 阻挠

现在分词：preventing　过去分词：prevented　第三人称单数：prevents　过去式：prevented　

中考高考CET4CET6考研TOEFL

Oxford 3000 / Collins.4 / BNC.937 / COCA.1083

牛津词典

verb

• 阻止；阻碍；阻挠
  to stop sb from doing sth; to stop sth from happening
  1. The accident could have been prevented.
     这次事故本来是可以防止的。
  2. He is prevented by law from holding a licence.
     法律不准他持有执照。
  3. Nothing would prevent him from speaking out against injustice.
     什么都不能阻止他鸣不平。
  4. Nothing would prevent him/his speaking out against injustice.
     什么也阻挡不了他为不平之事鸣冤叫屈。

柯林斯词典

• VERB 防止；预防；阻止
  Topreventsomething means to ensure that it does not happen.
  1. These methods prevent pregnancy...
     这些方法能防止怀孕。
  2. Further treatment will prevent cancer from developing...
     进一步的治疗将阻止癌症恶化。
  3. 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。
• VERB 阻止；制止；阻碍
  Topreventsomeonefromdoing something means to make it impossible for them to do it.
  1. 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。
  2. Its nationals may be prevented from leaving the country...
     其国民可能会被禁止出境。
  3. 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。

英英释义

verb

• stop (someone or something) from doing something or being in a certain state
  1. We must prevent the cancer from spreading
  2. His snoring kept me from falling asleep
  3. Keep the child from eating the marbles
  Synonym:keep
• keep from happening or arising
  1. My sense of tact forbids an honest answer
  2. Your role in the projects precludes your involvement in the competitive project
  Synonym:forestallforecloseprecludeforbid

双语例句

• 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。
• 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。
• These methods prevent pregnancy
  这些方法能防止怀孕。
• Its nationals may be prevented from leaving the country
  其国民可能会被禁止出境。
• The packaging must provide an effective barrier to prevent contamination of the product.
  包装必须提供有效的保护，以免产品受污染。
• As their roots are strong and penetrating, they prevent erosion.
  它们的根十分粗壮而且扎得很深，从而避免了受侵蚀。
• 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。
• Although the causes of cancer are being uncovered, we do not yet have any practical way to prevent it
  虽然癌症的病因正被逐步揭开，但我们尚未有任何切实可行的办法来预防它。
• 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。
• Your community officer can give you advice on how to prevent crime in your area
  社区工作人员能就如何预防社区内犯罪提供一些忠告。