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。

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'I don't understand this,' Bjaaland thought. 'Why is Amundsen talking about the North Pole, with a map of Antarctica behind him?'

“我听不懂这些话，”比阿兰德心想，“阿蒙森身后挂着南极洲地图，为什么却大谈北极呢？”

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