scratch pad

scratch-pad的词性：
n.（名词）

1. A pad of paper for preliminary or hasty writing, notes, or sketches.
便条簿：用于简要的或者匆匆写字、记录或者描绘的小本子

2. Also scratch.pad [skr2ch“p2d”] Computer Science A usually high-speed internal register used for temporary storage of preliminary data or notes.
也作 scratch.pad [skr2ch“p2d”] 【计算机科学】 高速暂存存储器：一种用于临时存储初级资料或信息的通常为高速的内存器