n.草图;素描;梗概;
v.草拟;速写;简述;
例句:
Sketch the region enclosed by and. Then find area of the region.
画出被及所包围出的区域, 再求其区域面积.
Idle John had been doing sketch comedy for far longer than any of us.
Idle:John做喜剧的时间比我们任何一个都长.
I had a basic sketch of a plan.
我有一个基本的计划框架。