The example website also allows users to draw hiking routes on the map.
这个示例网站还允许用户在地图上绘制远足路线。
So, in fact, if you have been talking about hiking on mountains, well, that's exactly what a topographical map is about.
因此事实上,如果你们在谈论爬山,那正是一幅地形图的内容。
You head into the jungle with a GPS and what passes for a map, hiking up hills, down ravines, across rivers.
带着GPS导航地图,走进丛林,跋山涉水。
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