海獭是海胆的主要捕食者。

Sea otters are the major predators of sea urchins.

youdao

第二个将要实现这一成就的王国是一种海獭。

The second kingdom to accomplish this is a form of sea otter.

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但是，小海獭们对人类没有惧怕之心，这使他们的生存陷入险境。

But the otters lost their fear of people, and that endangered their survival.

youdao

但是，小海獭们对人类没有惧怕之心，这使他们的生存陷入险境。

But the otters lost their fear of people, and that endangered their survival.

youdao