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用法:1 [U] state orquality of being impure 不纯; 不洁; 淫秽.
用法: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.
英汉词典包含54938条英汉翻译词条,涵盖了常用英语单词及词组短语的翻译及用法,是英语学习的必备工具。