make ineffective by counterbalancing the effect of; "Her optimism neutralizes his gloom"; "This action will negate the effect of my efforts" 同义词：neutralize, neutralise, negate,
show to be invalid 同义词：invalidate,
declare invalid; "The contract was annulled"; "void a plea" 同义词：invalidate, annul, quash, void, avoid,
例句与用法
1.
However, one clause in the act virtually nullifies these provisions . 然而，法令中有一条款却在实际上使这些规定归于无效。
2.
The positive steps you have taken to rectify the situation will be nullified spirit . 你为扭转这种局势而采取的积极步骤将抵消。
3.
These surface charges partially nullify the effect of the charges on the metal plates . 这些表面电荷部分地抵消金属极板上电荷的作用。
4.
Their eight years of friendship and love, the eight years of his life, were nullified . 他们八年的友谊和爱情，以及他八年的生活，统统化为乌有。
5.
The most important of these endowed the courts with sweeping authority to review and nullify the icc's rate decisions . 其中最重要的是：赋予法院复审和否决州际商业委员会所作运价裁决的决定性权力。
6.
Such a measure passed congress in 1913 and again in 1915 only to be nullified by the votes of presidents taft and wilson . 1913年和1915年，国会先后两次通过了这样的法案，只是由于塔夫脱总统和威尔逊总统的否决，才未生效。
7.
The civil war presumably killed the notion that the states were sovereign bodies, capable of nullifying national action on their own account . 说州政府具有主权，为了自己的利益可以使中央政府的行动无效的理论，可能已给南北战争推翻了。
8.
What events might nullify these calculations 什么事会使这些计算归于无效呢？
9.
Arguments caused by nullifying employment contract 如何合法解除劳动合同
10.
How can we nullify the enemy ' s propaganda 怎样才能抵销敌人的宣传
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