| 词汇 | gruff |
| 词根词缀 | 词源： 1533, from M.Du. or M.L.G. grof "coarse (in quality), thick, large" (cognate with O.E. hreof, O.N. hrjufr "rough, scabby"). Sense of "rough, surly" first recorded c.1690. |
| 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。