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impurity

美[ɪm'pjʊrəti] 英[ɪm'pjʊərəti]

n. 不纯；杂质

名词复数：impurities

近义词：contamination，pollution，adulteration，uncleanness，infection，dirtiness，dirt，alloy，dross，impureness，purity，

n.(名词)

Noun

worthless or dangerous material that should be removed;
"there were impurities in the water"
the condition of being impure

用作名词(n.)

Impurity of the water made it unfit to drink.因为水质不纯净，所以不能饮用。
The impure mixture with impurity is purified.含杂质的不纯混合物被提纯。
There are some impurities in food.食物中有一些杂质。
Workers are removing impurities from silver.工人们正去除银中的杂质。
The oxygen react vigorously with the impurity in the iron.氧气与铁中的杂质发生剧烈的化学反应。

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