preempt是什么意思？

preempt

英[prɪ'empt] 美[priˈɛmpt]

• vt. 先占，取代，先取，先发制人；

第三人称单数：preempts;

过去式：preempted;

过去分词：preempted;

现在分词：preempting;

例句

• I advised him against it, because to preempt his own deadline might confuse our adversaries. 我建议他不要这样做, 因为他在自己提出的最后期限之前就抢先采取行动,可能使我们的敌人莫名其妙.
• They do not preempt the land surface that is useful for other purposes. 它们不预先占用对其它目的有用的地面.
• The Clean Water Act expressly provides that it does not preempt more stringent state law. 《洁净水法案》明确规定,该法并不先占更为严格的州法律.

柯林斯高阶英汉双解学习词典释义

• VERB
  抢先行动；预先制止；先发制人
  If you pre-empt an action, you prevent it from happening by doing something which makes it unnecessary or impossible.
  例句
  You can pre-empt pain by taking a painkiller at the first warning sign... 刚出现征兆时，就服用止痛片来预防疼痛。 He pre-empted any decision to sack him... 他预先阻止了所有解雇他的决定。

英汉词典释义

• vt.
  先占,取代;先取,先发制人
  A special news program preempted the scheduled shows. 一个特别的新闻节目取代预定计划的表演。

英英词典释义

• Verb
  1. acquire by preemption
  2. make a preemptive bid

行业词典

• 计算机： 【动】先占[取]，抢先，预占；