英语词汇dud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	dud
词根词缀	词源： c.1825, "person in ragged clothing," from duds (q.v.). Sense extended by 1897 to "counterfeit thing," and 1908 to "useless, inefficient person or thing." This led naturally in WWI to "shell which fails to explode," and thence to "expensive failure."
随便看	revive revocable revocation revoke revolt revolution revolutionary revolve revolve around asymmetrical asymmetry asymptomatic asymptote asynchronous asyndeton asystole at at a good pace Atalanta at all at all costs at all events at all risks at all times at a loss

英语词根词缀词典收录了31503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。