这些动物在阿拉斯加土著人赖以生存的饮食结构中扮演重要角色，因此受到特别关注。

This is of special concern because of the important role these animals play in the subsistence diets of Alaska Natives.

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相比非洲裔美国人、亚洲人、美洲印第安人或阿拉斯加土著人，白色人种酗酒的可能性更大。

White people were more likely than African-Americans, Asians, Native Americans, or Alaska Natives to be drinkers.

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壳牌石油公司急不可待地要在他们租赁的波弗特海区开始开采，去年，该公司因被环境学家和阿拉斯加土著居民所起诉而备受挫折。

Shell Oil, frustrated last year by lawsuits filed by environmentalists and Alaskan natives, is eager to start exploiting its leases in the Beaufort Sea.

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