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首页英语词典nullifynullify英英释意

nullify

英 ['nʌlɪfaɪ] 美['nʌlɪ'fai]
  • vt. 使无效,作废;取消

英英释意


1. declare invalid;
"The contract was annulled"
"void a plea"
2. show to be invalid
3. make ineffective by counterbalancing the effect of;
"Her optimism neutralizes his gloom"
"This action will negate the effect of my efforts"