音标：[im'pjuәriti] ；

n. 杂质, 不洁, 不纯
[化] 杂质

n. worthless or dangerous material that should be removed
n. the condition of being impure

词型变化：名词复数形式 : impurities
考试类型：[六级/托福]

词性分布：

名词100%

impurity的用法和样例：

例句

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。

词汇搭配

impurity state杂质态
metallic impurity金属杂质
injurious impurity有害不纯物
major impurity主要杂质
migration impurity杂质迁移
earthy impurity泥状杂质
natural impurity(羊毛) 天然杂质...
anodic impurity阳极杂质
impurity limitation杂质限度
fuel impurity燃料的杂质
interstitial impurity间隙杂质,填隙式杂质...
impurity center杂质中心
impurity level杂质能级
organic impurity有机杂质
duplex impurity复合夹杂
foreign impurity外来夹杂物
mechanical impurity机械杂质
corrosive impurity腐蚀杂质

【近义词】

contamination污染
pollution污染
adulteration搀假
uncleanness不清洁
infection传染
dirtiness污秽
dirt污垢
alloy合金
dross浮渣
impureness污染

【反义词】

purity纯净

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