在从冰下的固体物质中收集的样本中，他们发现微型海洋植物的化石，这表明这个区域曾经是开阔的海洋而不是坚硬的冰。
Within samples collected from the solid substances lying beneath the ice they found fossils of microscopic marine plants which suggest that the region was once open ocean not solid ice.
从阿拉斯加东南海岸岛屿的洞穴中提取的化石的放射性碳年代测定法表明，在最后一个冰河时代，该地区至少有一部分保持无冰状态。
Radiocarbon dating of fossils taken from caves on islands along southeastern Alaska's coast suggest that at least a portion of the area was remaining ice-free during the last ice age.
可燃冰的另外一个好处是，它是清洁的化石能源来源。
Another advantage of combustible ice is that it is clean fossil energy sources.
如果玩家在北极生物群系遭遇恶劣天气，不用担心，新加入的冰屋可以当作庇护所来使用。 同样地，地底下面现在隐藏着经历过数亿年才形成的罕见化石骨块。
You'll be able to take shelter from the harsh weather of Arctic Biomes in new igloos, and delve beneath the earth for primordial treasures in the shape of giant fossils made of Bone Blocks.
如果玩家在北极生物群系遭遇恶劣天气，不用担心，新加入的冰屋可以当作庇护所来使用。 同样地，地底下面现在隐藏着经历过数亿年才形成的罕见化石骨块。
You'll be able to take shelter from the harsh weather of Arctic Biomes in new igloos, and delve beneath the earth for primordial treasures in the shape of giant fossils made of Bone Blocks.
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