因为大部分冰冻层贯穿极地地区，地势偏僻，环境艰苦，科学家不得不利用从太空传回来的资料进行科研活动。
Because of the remote and harsh conditions throughout most of the polar regions, scientists who study them often have to rely on data collected from space for research.
我们在高纬度的北极地区寻找化石，在潮湿冰冻的环境下徒手搬动数百吨的岩石。
We search for fossils in the high Arctic, moving hundreds of tons of rock by hand in wet, freezing conditions.
我们在高纬度的北极地区寻找化石，在潮湿冰冻的环境下徒手搬动数百吨的岩石。这真是太刺激了。
We search for fossils in the high Arctic, moving hundreds of tons of rock by hand in wet, freezing conditions. It's fantastic.
至于极地，则以地球南极洲的干谷为模型，比拟成无边冰原中的一片冰冻荒漠。
For the polar regions, the model is the Dry Valleys of Antarctica, a frozen desert in a landscape of endless ice.
至于极地，则以地球南极洲的干谷为模型，比拟成无边冰原中的一片冰冻荒漠。
For the polar regions, the model is the Dry Valleys of Antarctica, a frozen desert in a landscape of endless ice.
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