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 injury搔伤
scratch volume废卷宗
scratch a race取消比赛
scratch furrow深槽,深划痕
scratched roll细槽纹轧辊
scratch gravelvi.飞跑(为生活奔忙)
scratch tester[机] 刮痕试验机
scratch storage暂存器
scratch my backvt.帮助
scratchpad area临时存储区