impurity
[im'pjuərəti]
n. 杂质；不纯；不洁
同义词
反义词
参考例子
1.Conclusion The impurity in baicalin is the material that causes the pyrogen.
结论引起热原反应的物质是黄芩苷中的杂质。
2.Silica, in fact, is a desirable impurity because it is one of the reactants.
硅石实际上是一种有用的杂质，因为它是一种反应剂。
3.The paper dissertated the impurity distribution of titanium sponge and its affect on product quality.
本文论述了海绵钛产品的杂质分布及对产品质量的影响。
英文解释
n.
1.worthless or dangerous material that should be removed
2.the condition of being impure
网络释义
impurity
不纯，杂质; 夹杂物; 不洁物; 不纯净物;
impurity center
杂质中心; 杂质中央;
interstitial impurity
填隙式杂质; 间隙杂质; 填隙杂质; （晶）格隙杂质;
background impurity
本底杂质;
impurity distribution
杂质分布;