contamination
词形变化：
形容词: contaminative | 名词: contaminator | 动词过去式: contaminated | 动词过去分词: contaminated | 动词现在分词: contaminating | 动词第三人称单数: contaminates |
同义词：
pollution | adulteration | corruption | infection | uncleanness | impurity | taint | contaminant |
反义词：