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常年不融化的北冰洋的冰在2004和2005年间突然缩小了很多.研究人员发现,在北冰洋东部(欧亚大陆以北)的冰受风力影响移向北冰洋西部时缩小了约50%.
Arctic ice, which has not melted all year, suddenly dropped dramatically between 2004 and 2005. Researchers found that ice in the eastern Arctic Ocean (north of Eurasia) shrunk by about 50% as the wind moved to the western Arctic Ocean.