vitiated

英 [ˈvɪʃieɪtɪd]

美 [ˈvɪʃieɪtɪd]

v.  使失效; 削弱效用
vitiate的过去分词和过去式

柯林斯词典

• VERB 削弱…的效能;损害;使失效;使变质
  If somethingis vitiated, its effectiveness is spoiled or weakened.
  1. Strategic policy during the War was vitiated because of a sharp division between 'easterners' and 'westerners'...
     由于“东方人”和“西方人”之间存在巨大的分歧，战争期间的战略方针没有得到切实的执行。
  2. But this does not vitiate his scholarship.
     但这不会威胁到他的奖学金。

英英释义

adj

• ruined in character or quality
  Synonym:corrupteddebased
• impaired by diminution
  Synonym:diminishedlessenedweakened

双语例句

• The backdraft phenomenon is a fire phenomenon in vitiated buildings where the hot gas rapidly combusts due to abruptly supplying abundant fresh air after combustion with lack of oxygen or even smoldering. This transient phenomenon is an example of typical nonlinear behavior.
  回燃是在通风受限的建筑火灾进入缺氧燃烧甚至闷烧后，由于新鲜空气的突然大量补充引起热烟气急剧燃烧的现象，这种转捩现象是典型的非线性行为。
• Any benefits from extra water supplies will be short-term, and vitiated by floods.
  任何额外水量供给都是暂时的，随之而来的往往是洪水。
• A lifted turbulent H_2/ N_2 jet flame in a hot and vitiated coflow is investigated numerically to explore the issues of auto-ignition as well as the flame lift-off.
  采用数值方法研究了一个高温燃烧产物环境中的抬举湍流H2/N2射流火焰，对火焰的自然和抬举特性进行了研究。
• He said that American military power should never again be vitiated by political concerns.
  他说美国的军事力量绝不能再一次出于政治上的考虑而减弱。
• Prospect and utilization status of Low concentration gas in vitiated air at mines
  矿井回风流中低浓度瓦斯利用现状及前景
• Analyzing about the statistical characteristic data of soil nitrate content, the result was that the range of coefficient of variation of soil nitrate content is between 46.71% and 99.78%, in which belong to the medium-degree vitiated intensity.
  对土壤硝态氮的统计特征数据分析知，土壤硝态氮的变异系数在46.71-99.78%之间，属中等变异。
• About the experiment, these experiments were conducted in the free stream wind tunnel, and vitiated air heater was used to simulate the high altitude flow condition.
  试验方面：本文试验在自由射流风洞中进行，利用空气加热器模拟高空飞行条件。
• This study deals with the effect of vitiated air contamination on combustion and scramjet engine ground tests.
  本研究关系到污染对燃烧的影响以及对于超音速燃烧冲压发动机地面试验的影响。
• The serum is vitiated byExposure to the air.
  血清暴露在空气中已变质。
• Chemical kinetics analysis of the effect of vitiated air on combustion of h_2
  污染对氢-空气燃烧影响的化学动力学分析