scratchyadj.潦草的；拙劣的；发刮擦声的；发痒的scratchv.抓；搔（痒）；划破；划掉n.抓痕；乱写；抓的声音；起跑线adj.无让步的scratch the surfacevt.触及表面；肤浅的探讨；处于初步阶段有待深入研究scratch at the door在门上乱抓scratch pad storage暂存存贮器,中间结果存贮器scratch-proofnessn.耐划性scratch for oneself关心自己的利益scratch restoration划痕修复scratch-pad memory高速暂存存储器scratching mechanism划伤机理scratching sensation搔抓感scratchy handwriting潦草的手迹