skeleton map

• 轮廓图,示意图

skeleton map的用法和样例：

例句

1. A diagram of the new road layout was superimposed on a map of the city.
   新公路的规划示意图被叠映在该城市的地图上。
2. Pointing at a sketch map, he explained the long-term plan to the visitors.
   他指着示意图给来宾讲解远景规划。