sketch

...thumbnail sketches of heads of state and political figures..…国家首脑和政治要员们的简要陈述。

sketch map,示意图，草图

design sketch,设计图

sketch out,v. 概略地叙述；草拟

sketch in,约略地补充

rough sketch,草图

sketch book,素描簿

sketch design,设计草图

freehand sketch,徒手画的草图

pencil sketch,素描