新东方-柯林斯雅思备考词典

impurity

英  [ɪmˈpjʊərɪti]
    

[NOUN]

    NOUN. 名词
  • impurities

    1[C 可数名词] 杂质

    Impurities are substances that are present in small quantities in another substance and make it dirty or of an unacceptable quality.

    双语例句

    例:

    The air in the factory is filtered to remove impurities.

    工厂里的空气经过过滤去除杂质。