英语词汇couldn't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	couldn't
词根词缀	Online Etymology Dictionary couldn't by 1670s, contraction of could + not.
随便看	bootlegging bootless boot-licker bootstrap booty bootylicious boo-ya booze boozy bop bor bor- borage borax borborygmi borborygmo-, borborygm- bord Bordeaux bordello border borderline bore boreal borealis bored

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。