词汇 | lignite |
词根词缀 | 词源: "imperfectly formed coal," 1808, from Fr., from L. lignum "wood" (see lecture). Brown coal that still shows traces of the wood it once was. Probably directly from Lithanthrax Lignius, name given to woody coal by Wallerius, 1775. |
随便看 |
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。