英语词汇hard on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	hard on
词根词缀	Online Etymology Dictionary hard on n. "penile erection," 1893, from hard + on.
随便看	bonnet bonny bonnyclabber bonsai bonus bon vivant bon voyage bony boo boob boo-boo boobs boob tube booby boodle booger boogie boo-hoo book bookcase bookie bookish bookkeeper booklet bookmaker

英语词根词缀词典收录了54763条英语词根词缀词条，基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析，是记忆英语词汇的必备工具。