contaminant

英 [kənˈtæmɪnənt]

美 [kənˈtæmɪnənt]

n.  致污物; 污染物

复数：contaminants　

IELTS计算机

BNC.22602 / COCA.9858

牛津词典

noun

• 致污物；污染物
  a substance that makes sth impure
  1. Filters do not remove all contaminants from water.
     过滤器无法过滤掉水中的所有污染物。

柯林斯词典

• N-COUNT 污染物
  Acontaminantis something that contaminates a substance such as water or food.
  1. Contaminants found in poultry will also be found in their eggs...
     家禽身上发现的污染物，在禽蛋里也会有。
  2. We are exposed to an overwhelming number of chemical contaminants every day in our air, water and food.
     我们每天都会通过空气、水和食品接触到数量惊人的化学污染物。

英英释义

noun

• a substance that contaminates
  Synonym:contamination

双语例句

• Study on Reactive Kinetics Model and Its Parameters during Atmospheric Pressure Plasma Arc Cleaning Contaminant from Metal Surface
  大气常压等离子体弧清洗反应动力学模型和参数的研究
• They could generally be divided into two categories: direct and indirect contaminant sources.
  可以分为两大类，即直接污染和间接污染。
• The gas contains blow-by, sludge, acids, oil, and other contaminant.
  这些气体包括窜缸气体，沉积物，酸，机油和其它杂质的气体。
• Small fish eat organisms that contain methyl mercury, and this contaminant is then stored in their bodies.
  小鱼吃含有甲基汞的有机体，这污染物，然后储存在自己的身体。
• Study on Source Airborne Molecular Contaminant, and Monitoring System
  空气传播分子污染物、源头及监控系统的研究
• Analysis of the ingredient of organic contaminant in Maize of some irrigation areas
  某灌溉区玉米中有机污染物的成分分析
• Numerical analysis of contaminant transport process through landfill considering nonequilibrium and nonlinear sorption behaviour;
  本文提出了一个模拟饱和非饱和土壤中溶和污染物运移过程的数值模型。
• Playday and workaday photograph are compared, the change that sewage quantity and contaminant chroma follow time all lesser.
  休息日和工作日相比，污水量及污染物浓度随时间的变化均较小。
• The contaminant collection and component identification tests were performed during the thermal vacuum tests.
  在真空热试验过程中进行了污染物的采集及成分分析试验。
• High power cylindrical transducer is widely used in cleaning, contaminant separation and extraction.
  大功率圆管换能器在清洗、除垢、萃取等领域中有着广泛的应用。