impurity
US /ɪmˈpjʊr.ə.t̬i/
UK /ɪmˈpjʊə.rə.ti/
名词
杂质, 不纯
the state of being impure; something that is impure
示例:
•
The water contained several harmful impurities.
水中含有多种有害杂质。
•
The gold was refined to remove all impurities.
黄金经过提炼以去除所有杂质。
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