scratch about for
到处搜寻
scratch along
勉强糊口, 艰难地谋生
scratch awl
划针
scratch card
n. 刮刮卡；刮奖卡
scratch dinner
临时准备的便餐
scratch file
[计] 废文件; 过期文件
scratch filter
[电] 杂声滤除器
scratch hardness
[机] 划痕硬度
scratch hardness tester
[化] 划痕硬度计
scratch hit
n. 勉强击出的意外安打
scratch line
起跑线
scratch memory location
[计] 暂存单元
scratch noise
[电] 摩擦杂音
scratch off
擦去, 刮掉
scratch one's head
搔头皮, 不知如何对付
scratch one's head over
迷惑不解
scratch out
划掉, 勾去
scratch pack
[计] 暂存盘组
scratch pad
便笺本
scratch pad addressing
[计] 便笺式寻址, 暂存寻址
