| 释义 |
pre·vent AHD[prĭ-vĕntʹ] D.J.[prɪˈvent]K.K.[prɪˈvɛnt]v.（动词）pre.vent.ed, pre.vent.ing, pre.vents v.tr.（及物动词）- To keep from happening:预防：使防止发生：took steps to prevent the strike.采取步骤避免罢工
- To keep (someone) from doing something; impede:阻碍：使（某人）不做某事；阻挠：prevented us from winning.阻挠我们获胜
- Archaic To anticipate or counter in advance.【古语】 预先应付：事先预料或遇到
- Archaic To come before; precede.【古语】 在…之前：在…之前来；先于
v.intr.（不及物动词）- To present an obstacle:阻挠，阻止：呈现出阻碍：There will be a picnic if nothing prevents.如果没有特别的情况，我们将举行野餐
- Middle English preventen [to anticipate] 中古英语 preventen [预料，预期]
- from Latin praevenīre praevent- 源自 拉丁语 praevenīre praevent-
- prae- [pre-] prae- [前缀，在…之前]
- venīre [to come] * see g wā- venīre [来] * 参见 g wā-
prevent'abilʹity 或 prevent'ibilʹity n.（名词）preventʹable 或 preventʹible adj.（形容词）preventʹer n.（名词）prevent, preclude, avert, obviate, forestall- These verbs mean to stop or hinder something from happening, especially by advance planning or action.这些动词是指停止或阻挠某事的发生，尤指以预先的计划或行动来阻挠
- Prevent implies anticipatory counteraction: Prevent 指预先阻止： "The surest way to prevent war is not to fear it" (John Randolph).Topreclude is to exclude the possibility of the occurrence of an event or action: “阻止战争最有把握的方法是不要害怕” （约翰·伦道夫）。Preclude 指排除某事或行为发生的可能性： "a tranquillity which . . . his wife's presence would have precluded" (John Henry Newman).Toavert is to ward off something about to happen: “他妻子的出现使宁静成为不可能” （约翰·亨利·纽曼）。Avert 是指阻止将要发生的事情： Only quick thinking on the pilot's part averted a disastrous accident.只有这位飞行员的机智才能阻止这样可怕事件的发生。
- Obviate implies that something,such as a difficulty, has been anticipated and disposed of effectively: Obviate 暗指某物，如困难已经被预料到且被有效地排除掉： "the objections . . . having . . . been obviated in the preceding chapter" (Joseph Butler).“反对意见…已经…在前一段时间被排除了” （约瑟夫·巴特勒）。
- Forestall usually suggests anticipatory measures taken to counteract, neutralize, or nullify the effects of something: Forestall 通常指预先采取措施来消除，中和或抵消某事的后果： We installed an alarm system to forestall break-ins. 我们安装了一套警报系统来预防小偷的闯入
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