outline

/ˈaʊˌtlaɪn/

the line that appears to bound an object

Chinese meaning: 轮廓；大纲；概要

The teacher asked us to write an outline before starting the essay.

老师要求我们在开始写文章之前先写一个大纲。

In the dim light, we could only see the outline of the building.

在昏暗的光线下，我们只能看到建筑物的轮廓。