美 [ˈvɪʃieɪtɪŋ]
n. 损害；弄坏
v. 损害；弄坏（vitiate 的 ing 形式）
vitiate /ˈvɪʃɪˌeɪt/ [ vitiating vitiated vitiates ]
及物动词 If something is vitiated, its effectiveness is spoiled or weakened. 损害...的效能; 削弱...的效能
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”间的巨大分歧，战争期间的战略方针没有得到切实的执行。
But this does not vitiate his scholarship.
但这不会威胁到他的奖学金。
corrupt morally or by intemperance or sensuality
同义词： corrupt / pervert / subvert / demoralize / demoralise / debauch / debase / profane / deprave / misdirect
take away the legal force of or render ineffective
同义词： invalidate / void
损害，弄坏；使无效；污染
... 实质性损害赔偿金 sbstantial damages 使失效 vitiating 使无效 nullify ...
If, as seems likely, the CWC has the effect of vitiating the Australia Group mechanism, CW-relevant exports may be permitted even to dubious customers -- but it will be hard to contend that the effect on curbing proliferation of chemical weapons will be a positive one.
It is worth noting that, in the meantime, associate IMF membership might also have the virtue of vitiating the prohibitions imposed by the 1934 Johnson Debt Default Act enabling the USSR for the first time to issue bonds and other securities instruments in the United States.
It is worth noting that, in the meantime, associate IMF membership might also have the virtue of vitiating the prohibitions imposed by the 1934 Johnson Debt Default Act -- enabling the USSR for the first time to issue bonds and other securities instruments in the United States.