可以看到那头北极熊在水下攻击她。

You see the polar bear goes for her underwater.

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因此为了获取更多有用的蛋白质，他们创造出一种超智能的鲨鱼——它们的智力意味着它们具有很多大脑- - -可以立马攻击科学家的水下实验室。

So to harvest more of the useful protein, they create a breed of super-intelligent sharks - their intelligence meaning they have lots of brains - which promptly attack the scientists' underwater lab.

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美国航母有水下隐形群组伴随：至少一艘核动力攻击潜艇。

American carriers travel with an unseen companion: at least one nuclear-powered attack submarine.

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