vitiate ['viʃieit] v.使败坏,损害, 使失效 词形变化: 形容词: vitiable | 名词: vitiation | 动词过去式: vitiated | 动词过去分词: vitiated | 动词现在分词: vitiating | 动词第三人称单数: vitiates | 详细释义: vt.vi. 1. 损害; 污染 2. (使)无效; (使)堕落