The polar bear is the most carnivorous member of the bear family, and most of its diet consists of ringed and bearded seals.

它们是熊家族里面最纯粹的食肉动物，大多数的它的美餐就包括环状海豹和胡须海豹！

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In the bear family, only the polar bear is white.

在熊的家族里，只有北极熊是白色的。

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The polar bear is a large mammal and, along with their close relatives, the brown bear, are among the largest members of the bear family.

北极熊是一种大型哺乳动物，它与近亲棕熊同是熊家族中的最大成员。

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Jason Roberts was making The Polar Bear Family and Me, in which bears were filmed from a clear plastic hide.

BBC: film 'disturbed polar bears'