| 词汇 | contamin |
| 词根词缀 | 139. contamin=to pollute 表示“污染”contaminate,contamination,contaminant,decontaminate contaminate★ v. 弄脏，污染 contamin＋ate→污染 Drinking water supplies have been contaminated. 饮用水源被污染了。 contamination★ n. 污染，玷污 contaminant★★ n. 致污物，污染物 contamin＋ant→污染物 biological contaminant 生物污染物 decontaminate★★ v. 排除污染，净化 de（非）＋contaminate→排除污染 The government planned to do four things to decontaminate this region. 政府打算采取四项措施净化这一地区。 |
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