所发现的微生物种类也与其它极地环境如北极的泥炭或苔原相似。
The species of microbes were also similar to those found in other polar environments, such as Arctic peat or tundra.
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.
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