雅思词汇:词根背单词-pur-
impure a 不纯的
impurity n 不纯;有罪
purify v 使清洁;使纯正]
purist n 纯粹主义者
puritan n 清教徒
purge v 使清净
purgation n 清洗;吃泻药
purgative a 清洗的 n. 泻药
expurgate v 订正,删除
unpurged a 未净化的
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