英语词汇obsidian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	obsidian
词根词缀	obsidian 黑曜石来自拉丁语obsidianus, 来自Obsianus lapis 的印刷错误词，即stone of Obsius, 据说这种石头是由一个叫Obsius 的人在非洲埃塞俄比亚发现的而得名。
随便看	pre-record preregister prerequisite prerogative presage presby- presbyter Presbyterian presbytery preschool prescient prescribe prescription prescriptive preselect presell presence present present presentable presentation presenteeism presenter presentiment preservation

英语词根词缀词典收录了25228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。