scratch-pad memory

例句：

1. 1.I jotted down some notes on my scratch pad before leaving the office.
   我离开办公室前在草稿纸上记了一些笔记。
2. 2.The student used his scratch pad to jot down important points for the test.
   学生用他的草稿纸记下了考试的重点内容。
3. 3.She scribbled down her thoughts in a scratch pad before she could type them out.
   她无法打字时，先在草稿纸上写下了她的思绪。