失效的英文：
fail
lose effectiveness

参考例句：
  • It will be sterilised when it is beyond the limit to its storage life.
    超出保存期则失效。
  • No such Variation shall vitiate this Contract.
    任何该等变更都不会造成本合同失效。
  • 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。
  • 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。
  • A contract signed now might be invalidated at some future date.
    现在签订的合同可能在将来的某一天就会失效。
  • any obsolete documents retained for legal and/or knowledge preservation purposes are suitably identified.
    为法律以及(或)保存知识的目的而保留的任何失效文件有适当的标明。
  • To make ineffective;invalidate.
    使无效;使失效
  • This law has lapsed.
    这个法律失效了。
  • The engine had blown a gasket.
    发动机的一个垫圈失效了。
  • Disable Viewport Toggle
    视图切换失效
fail是什么意思：
n. 不及格
v. 失败，不及格；破产；缺乏；衰退
  • If you fail to plan, you plan to fail.
    如果你不做计划，那就是在计划着失败。
  • The download failed.
    下载失败。
  • Intelligent as you are, I suspect you will fail.
    尽管你聪明，我还是猜想你会失败。
lose是什么意思：
v. 遗失；输掉；浪费；被...夺去；不明白；逃避；错过
  • to lose; to miss; to disappear; to mislay
    遗失
  • A tale never loses in the telling.
    故事总是被人们说得添枝加叶的。
  • Merry is he that has nought to lose
    人无所失,不亦乐乎
effectiveness是什么意思：
n. 有效，效力

  • This parameter has no effect.
    此参数不起作用。
  • The drug was of no effect.
    这药无效。
  • The helpful effect on propellant slosh effects was a secondary consideration
    推进剂晃动的有利性影响是一个次要的考虑因素。

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