这样太热，而冰河时期又太冷。
你还记得冰河时期的冰天雪地吗？
然而，在最近的冰河时期，这股环流多次出现突然减速。
Sudden slowdowns in the circuation occurred repeatedly during the last Ice Age.
但新的冰河时期还不会在某个千年之年时到来。
到那时，芬兰可能已经度过了另一个冰河时期。
By that time, Finland will probably have been through another ice age.
史密斯表示火星也和地球一样有过冰河时期。
实际上，长毛犀出现在青藏高原要早于冰河时期约一百万年。
That's about a million years before the Ice Age started, in fact.
他们发现的，在冰河时期，大量的水在海洋中减少了。
They find that, during the ice age, a mount of water in the ocean decreased.
他们发现的，在冰河时期，大量的水在海洋中减少了。
They find that, during the ice age, a mount of water in the ocean decreased.
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