| 单词 | 无效 |
| 释义 | 〔erase〕These verbs mean to remove or invalidate something, especially something recorded as by having been written down. Toerase is to wipe or rub out, literally or figuratively: 这些动词都表示消除，使某事（特别是通过写下来记录的事）无效、消失。erase 指确实地或比喻意义上的涂抹掉、擦除掉： 〔defend〕To attempt to disprove or invalidate (an action or a claim).抗辩：试图证明（诉讼或声明）是错的，或使（诉讼或声明）无效〔nullification〕The act of nullifying.无效：使…无效的行为〔fallacy〕A statement or an argument based on a false or an invalid inference.谬论：建立在错误或无效推论上的声明或论据〔stand〕His claim will not stand up in court. Our old car has stood up well over time.他的主张在法庭上无效。我们的旧车经久耐用〔barren〕barren efforts.See Synonyms at futile 无效的努力 参见 futile〔upset〕upset a will.See Synonyms at overthrow 使遗嘱无效 参见 overthrow〔Bushnell〕American inventor who designed (1775) a man-propelled submarine for use against British ships in the Revolution. The device proved ineffectual (it was ridiculed as "Bushnell's Turtle") but earned him later regard as "the Father of the Submarine.”布什内尔，戴维：(1742-1824) 美国发明家。他设计了一种人力驱动的潜水艇(1775年），在革命时期用于攻击英国军舰。这种装置被证明是无效的（它曾被戏称为“布什内尔海龟”），但这后来仍为他赢得了“潜艇之父”的荣誉称号〔annul〕To make or declare void or invalid, as a marriage or a law; nullify.废除：制定，宣布免除或无效，如婚约或法律；废除〔overturn〕"his continuing legal battles to overturn a draft-evasion conviction"(Robert Lipsyte)“他为使一偷漏泄票的定罪无效而进行的持续、合法的斗争”(罗伯特·利普塞特)〔void〕Having no legal force or validity; null:无效的：没有法律效力或约束力的；无效的：〔inefficient〕Not efficient, as:无效的，无能的：没有效率的〔example〕"Of the despotism to which unrestrained military power leads we have plenty of examples" (Samuel Eliot Morison).Aninstance is an example that is cited to prove or invalidate a contention or to illustrate a point: “我们有许多因不受控制的军事力量而导致专政的例子” （塞缪尔·埃利奥特·莫里森）。instance 是指被引述来证明论点、使论点无效或用来表明观点的一个范例： 〔void〕Ineffective; useless.无效的；没用的〔annulment〕The retrospective as well as prospective invalidation of a marriage, as for nonconsummation, effected by means of a declaration stating that the marriage was never valid.宣告婚姻无效：法院对已发生或将发生的不完美婚姻所作的无效宣告〔unfruitful〕Not bearing fruit or offspring; barren.不结果实的；无效的：不产生果实或后代的；不育的〔placebo〕An inactive substance or preparation used as a control in an experiment or test to determine the effectiveness of a medicinal drug.无效对照剂：一种无影响的物质或制剂，用来控制试验或确定药物的有效程度〔unlive〕To undo the effects of; annul.消除…的效果；使…无效〔ineffectual〕an ineffectual effort to block the legislation.企图阻止立法机关行为的无效努力〔disutility〕The state or fact of being useless or counterproductive.无效；不利因素：无用或反效果的状态或事实〔feckless〕Lacking purpose or vitality; feeble or ineffective.无效的：缺乏目标与活力的；虚弱的或无效的〔unavailing〕Not availing; ineffectual or useless.See Synonyms at futile 徒劳的；无效的，无用的 参见 futile〔invalid〕Not legally or factually valid; null:无效的：法律上或事实上是无效的；无束缚力的：〔null〕Having no legal force; invalid:无效的：无法律约束力的；无效的：〔delegitimize〕an attempt to delegitimize the Vichy government; delegitimized the dictator in the eyes of the world.试图宣告维希政府的合法性的无效；当着全世界宣告独裁者的权威已丧失〔override〕The act or an instance of nullifying.撤消，推翻：无效的行为或事例〔bad〕Having no validity; void:无效的：无效的，不正当的；无用的，作废的：〔flaw〕A defect in a legal document that can render it invalid.破绽，失效：可能导致其无效的法律文件的漏洞〔derisory〕Expressing derision; derisive.（因无用、无效或数目不足）受人嘲笑的：表示为嘲笑的；嘲弄的〔stet〕To nullify (a correction or deletion) in printed matter.使印刷物品中的（改正或删除）无效〔negate〕To make ineffective or invalid; nullify.See Synonyms at neutralize 使无效：使不起作用或无效；否决 参见 neutralize〔useless〕Being or having no beneficial use; futile or ineffective.没任何助益的；无用的或无效的〔ademption〕The disposal by a testator of specific property bequeathed in his or her will so as to invalidate the bequest.撤销遗赠：立遗嘱者对他或她遗嘱中遗赠的特定财产所做的使遗赠无效的处理〔inefficacious〕Not capable of producing a desired effect or result; ineffective.不灵的：无法产生预期的效果或结果的；无效的〔futility〕The quality of having no useful result; uselessness.无效，无用：没有有用结果的性质；无用〔delegalize〕To revoke the legality of:宣告…的合法性无效：〔impotent〕Lacking in power, as to act effectively; helpless:无力的，无效的：缺乏力量以致不起作用的；无助的：〔destroy〕destroyed the testimony of the prosecution's chief witness.使原告及其律师的主要证人的证据无效〔neutralize〕These verbs mean to make something ineffective by or as if by applying an opposite or counterbalancing force.这些动词是指通过使用相反的或制衡的力量使事物无效。〔inoperative〕Not working or functioning.无效的，无用的：不能工作的或起作用的 |
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