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单词 impurity
释义 impurity n 1 [U] state orquality of being impure 不纯; 不洁; 淫秽. 2 [C] substancepresent in another substance that makes it of poor quality 杂质     remove impurities from silver 去除银中的杂质.
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更新时间:2024/5/19 16:49:27