impurity
柯林斯词典
1. N-COUNT Impurities are substances that are present in small quantities in another substance and make it dirty or of an unacceptable quality. 杂质
The air in the factory is filtered to remove impurities. 工厂里的空气经过过滤去除杂质。
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impurity /ɪmˈpjʊərɪtɪ/ (impurities)
剑桥词典
impurity noun (MIXED)
[ 可数名词：有复数形式的名词 or 不可数或单数名词：没有复数形式的名词 ]the fact that a substance is dirty or lower in quality because it is mixed with another substance , or something that causes this
纯度不高，杂质
Impurities are removed from the blood by the kidneys . 肾脏将血液中的杂质除去。
The impurity of the water is a health risk . 不洁的水质对健康是个威胁。
impurity noun (BAD)
[ 不可数或单数名词：没有复数形式的名词 ] literary or humoroussexual thoughts or behaviour that are wrong or not moral
不纯洁，淫秽 返回 impurity