4周搞定2000+托福核心词
弄脏的，受污染的v. contaminate的过去式
contaminated
常考释义
Only recently have investigators considered using these plants to clean up soil and waste sites that have been contaminated by toxic levels of heavy metals–an environmentally friendly approach known as phytoremediation.
直到最近研究者才考虑用这些植物来清理已经被有毒重金属污染的土壤和废弃物物处理点——一种被称为植物修复法的修复方法。
来源于：阅读OFFICIAL5 P1adj. 受污染的；弄脏的
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