contaminate
词根词缀：
contaminant n. 致污物，污染物
contamin 污染 + ant …物 → 致污物，污染物
contaminate v. 弄脏，污染
contamin 污染 + ate 做，造成，使… → 弄脏，污染
contamination n. 污染，玷污
contaminate的名词
contaminator n. 弄脏者；致污物，污染物
contamin 污染 + ator 表名词 → 弄脏者；致污物，污染物
decontaminate v. 排除污染，净化
de 去掉 + contaminate 弄脏，污染 → 排除污染，净化
数据来源：新东方英语词汇速记大全
相关例句：
Some language scholars fear such usage will contaminate the purity of Chinese and cause confusion in communication.
一些语言学者担心，这些字母词的使用会污染汉语的纯度，会导致沟通上的混乱。
DO NOT add any chemicals to the system piping which will contaminate the potable water supply.
不要在管道系统中添加任何可能会造成饮用水污染的任何化学物品。
Acid rain and heavy metals are only a few of the many pollutants that contaminate rivers, lakes, streams, seas, and oceans.
在众多的河流、湖泊、小溪和海洋的污染物中，酸雨和重金属只是其中的少数几种。
The valve shave no threads or lubricants in the gas stream to generate particles or contaminate the gas.
阀门没有螺纹或润滑剂处在气流中，不会产生颗粒或污染气体。
Landfills can contaminate drinking-water if they not properly constructed.
废渣填埋地如果构建不当则可能污染饮用水。
If we had to clean our own drinking water, we probably wouldn't contaminate it.
如果我们必须亲自清洁自己喝的水，我们很可能就不会污染它了。