| 单词 | impurity |
| 释义 | impurity ɪmˈpjʊərɪtɪ n. 不纯,淫秽; 杂质 【英】不纯,淫秽(quality of being impure) 杂质(substance present in another substance that makes it of poor quality) 【类】winnow : chaff / filter : impurities (扬谷去除谷壳/过滤去除杂质) 【记】im(不)+pure(纯洁)+ity impurity imˈpjuəriti n.杂质；罪恶 【记】purity（n.纯净；纯度） 【类】winnow:chaff＝filter:impurities扬谷去除谷壳＝过滤去除杂质 |
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