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...ensuring their young have the best possible start.
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...ensuring their young have the best possible start. 确保后代拥有最佳的初始条件

where incessant gale force winds draw nutrients up from the depths ensuring plenty of food for king penguins.
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where incessant gale force winds draw nutrients up from the depths ensuring plenty of food for king penguins. 不间断的大风把海底的养分送上来 从而给帝企鹅提供了丰富的食物

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