rough: implies the presence of detectable inequalities on the surface, such as points, bristles, ridges, or projections: a ~ wooden board.


harsh: implies a surface or texture distinctly unpleasant to the touch: the ~ fabric chafed his skin.    （harsh常用的意思还有严酷刺耳刺眼严厉苦涩等，都表示使人"unpleasant不舒服"）


uneven: implies a lack of regularity in height, breadth, or quality: an old house with ~ floors.    （regular规则的，表示符合规则标准模式stresses conformity to a rule, standard, or pattern，如the regular monthly meeting of the organization组织每月例会）


rugged: implies irregularity or roughness of land surface and connotes difficulty of travel: follow the ~ road up the mountain.


scabrous: implies scaliness or prickliness of surface and may connote an unwholesome, decayed, or diseased appearance: an allergic condition that results in ~ hands.   scaly有鳞的 prickly有刺的


rough粗糙: 指表面存在明显不平滑，如点刺脊凸，harsh粗糙: 指触碰起来不舒服，uneven不平: 指（高度宽度等）不规整，rugged坑洼不平: 指地面不平，行走困难，scabrous多痂刺手: 指表面有鳞刺，显得不健康


记忆方法: 1) 首字母重组为RU俄罗斯和HRS小时<==不平   （HRS是"小时"的标准缩写，表示时间长度或范围，如0900–2300 hrs表示9点到23点）

         2) 不平的意思是不光滑平整mean not smooth or even.首字母重组为RU俄罗斯和HRS小时<==不平