好词典

impurities

UK //ɪmˈpjʊərɪtiz//US //ɪmˈpjʊrɪtiz//

词源

源自拉丁语 'impuritas',由 'in-'(不)和 'purus'(纯净)组成,意为不纯净的状态或物质。

noun

❶ 指物质中混入的不纯成分或有害物质,通常会影响物质的品质或性能。

“The water was tested for impurities before drinking.”

(在饮用前,水经过了杂质检测。)

“The gold must be refined to remove all impurities.”

(黄金必须经过提纯以去除所有杂质。)

❶ 比喻人或事物中不完美或不良的部分,常用于抽象概念。

“His character had some moral impurities that needed correction.”

(他的性格中有一些需要纠正的道德瑕疵。)

“The artist believed that impurities in the design made it unique.”

(艺术家认为设计中的不完美之处使其独特。)

同义词:contaminants, pollutants, defects

常见短语

remove impurities — 指通过某种方式清除物质中的不纯成分,常用于工业或日常生活中。

“The filter helps to remove impurities from the water.”

(这个过滤器有助于去除水中的杂质。)

trace impurities — 指物质中含量极少的杂质,通常需要通过精密仪器才能检测到。

“The semiconductor requires materials with no trace impurities.”

(半导体需要不含微量杂质的材料。)