详细解释:n. 无效, 废弃, 取消
【法】 无效, 废弃, 取消
词型变化：
名词:nullificationist英语解释：
名词 nullification:
the states'-rights doctrine that a state can refuse to recognize or to enforce a federal law passed by the United States Congressthe act of nullifying; making null and void; counteracting or overriding the effect or force of something同义词：override