mapping path-space

例句：

1. 1. The mapping of the new city is still underway.
   新城市的测绘工作仍在进行中。
2. 2. The surveyor used a mapping tool to create the map.
   测量员使用一种测绘工具来创建地图。
3. 3. The navigation system helped them find their way through the unfamiliar terrain.
   导航系统帮助他们在不熟悉的地形中找到方向。