nullify

英 [ˈnʌlɪfaɪ]

美 [ˈnʌlɪfaɪ]

v.  使失去法律效力; 废止; 使无效; 抵消

过去分词：nullified　现在分词：nullifying　过去式：nullified　第三人称单数：nullifies　

IELTSGRE化学

BNC.18560 / COCA.17035

牛津词典

verb

• 使失去法律效力；废止
  to make sth such as an agreement or order lose its legal force
  1. Judges were unwilling to nullify government decisions.
     法官们不愿废止政府决定。
• 使无效；抵消
  to make sth lose its effect or power
  1. An unhealthy diet will nullify the effects of training.
     不健康的饮食会抵消锻炼的效果。

柯林斯词典

• VERB 使失去法律效力;废除;取消
  Tonullifya legal decision or procedure means to declare that it is not legally valid.
  1. He used his broad executive powers to nullify decisions by local governments...
     他利用自己适用范围广泛的行政权力废止当地政府所作的决定。
  2. It is worth remembering that previous wills are nullified automatically upon marriage.
     要记住的是，一旦结婚，原遗嘱自动失效。
• VERB 使无效;使无用;抵消
  Tonullifysomething means to make it have no effect.
  1. He may be able to nullify that disadvantage by offering a wider variety of produce...
     他也许能通过供应更为多样化的农产品来抵消那一劣势。
  2. This, of course, would nullify the effect of the move and merely accelerate inflation.
     这毫无疑问会使该举措完全失效，而仅仅只是加速通货膨胀。

英英释义

verb

• make ineffective by counterbalancing the effect of
  1. Her optimism neutralizes his gloom
  2. This action will negate the effect of my efforts
  Synonym:neutralizeneutralisenegate
• show to be invalid
  Synonym:invalidate
• declare invalid
  1. The contract was annulled
  2. void a plea
  Synonym:invalidateannulquashvoidavoid

双语例句

• He used his broad executive powers to nullify decisions by local governments
  他利用自己适用范围广泛的行政权力废止当地政府所作的决定。
• Then we can nullify the agreement.
  到那是我们可以声明协议无效。
• These could nullify efforts by farmers to increase planting areas in response to the highest prices since the 2007-08 food crisis.
  作为对农产品价格触及2007-08年粮食危机以来最高水平的回应，农民纷纷扩大了种植面积，而糟糕的天气状况可能会抵消这些努力。
• The meeting to be held next week was canceled. action intended to nullify the effects of some previous action.
  预定下周举行的会议被取消了。
• Using a regular pillowcase may nullify the effectiveness of the pillow as its shape would not be maintained.
  一般的枕套可能会达不到这个要求，从而没办法保持枕芯的记忆形状。
• He may well want to keep some actions and nullify others, not necessarily in strict reverse order.
  他可能想保留一些操作，而放弃另外一些操作，不一定是按严格的反向次序。
• Moreover, the legal requirements of individual systems may, conceivably, nullify supply and demand.
  此外，个别系统的法定要求可能会使供应和需求无效，这一点毋庸置疑。
• I guess they sort of nullify each other, or something.
  我觉得他们就是这样彼此互相抵销一些吧。
• ICM RME automatically finds out why the feedback was given, and, in case of erroneous feedback, it will quickly nullify its effect ( or "unlearn" it).
  ICMRME会自动地查明为什么有这样的反馈，而且在反馈错误的情况下，它会快速地消除这个反馈的影响（也就是不学习这个反馈提供的信息）。
• These surface charges partially nullify the effect of the charges on the metal plates.
  这些表面电荷部分地抵消金属极板上电荷的作用。