柯林斯詞典impurity /?m?pj??r?t?/ (impurities) 1. N-COUNT Impurities are substances that are present in small quantities in another substance and make it dirty or of an unacceptable quality. 襍質(zhì) The air in the factory is filtered to remove impurities. 工廠裡的空氣經(jīng)過過濾去除襍質(zhì)。 返回 impurity劍橋詞典 impurity noun (MIXED) [ 可數(shù)名詞：有複數(shù)形式的名詞 or 不可數(shù)或單數(shù)名詞：沒有複數(shù)形式的名詞 ] the fact that a substance is dirty or lower in quality because it is mixed with another substance , or something that causes this 純度不高，襍質(zhì) Impurities are removed from the blood by the kidneys . 腎髒將血液中的襍質(zhì)除去。 The impurity of the water is a health risk . 不潔的水質(zhì)對健康是個威脇。 impurity noun (BAD) [ 不可數(shù)或單數(shù)名詞：沒有複數(shù)形式的名詞 ] literary or humorous sexual thoughts or behaviour that are wrong or not moral 不純潔，婬穢 返回 impurity