英语词汇sharpener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	sharpener
词根词缀	Online Etymology Dictionary sharpener n. 1630s, agent noun from sharpen.
随便看	per stirpes persuadable persuade persuasion persuasive persulpho- pert pertain pertinacious pertinacity pertinence pertinent perturb perturbate perturbation perturbed pertussis Peru peruke perusal peruse perv pervade pervasion pervasive

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