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人迹罕至的北极地区,年均气温在零度以下,伸展着一片浩瀚无际的苔原带。这片酷寒的极地苔原上充满了勃勃生机——成群筑巢的小鸟,频繁活动的旅
Inaccessible Arctic, with an average annual temperature below sub-zero, stretching a vast expanse of tundra. This polar polar tundra is full of vitality - nesting nesting birds, frequent activities of the brigade