
好词典

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。
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。)
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。)