英语词汇perpetrator的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	perpetrator
词根词缀	词源： 1560s, from L.L. perpetrator, agent noun of perpetrare (see perpetrate). Police slang shortening perp (e.g. perp walk) is Amer.Eng., by 1940s.
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