impurities

英 [ɪmˈpjʊərɪtiz]

美 [ɪmˈpjʊrətiz]

n.  杂质; 肮脏; 不纯; 淫秽
impurity的复数

柯林斯词典

• N-COUNT 杂质;不纯物质
  Impuritiesare substances that are present in small quantities in another substance and make it dirty or of an unacceptable quality.
  1. The air in the factory is filtered to remove impurities.
     工厂里的空气要经过过滤，以清除其中的杂质。
• 淫乱;不贞
  Impurityis the state of being no longer pure, especially sexually pure.

双语例句

• It will help to remove make-up and the impurities of the skin.
  这将有助于消除化妆和杂质的皮肤。
• This food is contaminated with impurities.
  这食物已被不洁物质所污染。
• No impurities, such as residual chemical agents and oxides were detected by XRD analysis.
  XRD分析没有检测到诸如残余化学试剂和氧化物之类的杂质。
• This was the LD process, which used oxygen gas for the oxidation of impurities in iron.
  这就是氧气顶吹转炉炼钢法（LD炼钢法）。这种方法使用氧气来氧化铁水中的杂质。
• Gas production should be continuously monitored for quality and impurities.
  生产过程中必须连续地监测气体的质量和杂质。
• Refined sugar has had all the impurities removed.
  精制糖已经清除所有的杂质了。
• Colloidal and dissolved impurities are more difficult to remove.
  胶体和溶解性的杂质除去就要更困难。
• Filtering the water removed some of its impurities.
  把水过滤一下除去了一些杂质。
• Clean workplace from metal chips, corrosive substances or similar impurities.
  将工作场所内的金属屑、腐蚀性物质或类似杂质清理掉。
• What remains in the filter is a mixture of various metals and impurities.
  留在滤纸里的是多种金属和杂质的混合物。