make an outline of a composition

拟作文提纲

She gave me an outline of the lecture.

她向我大致说了下演讲的要点。

an outline map of China

中国略图

The report outlined possible uses for the technology.

此报告概述了这项技术可能的用途。

They saw the huge building outlined against the sky.

他们看见天空映衬下那座巨型建筑的轮廓。