22 篇文章
it has to face one major challenge.
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it has to face one major challenge. 他不得不面对一个巨大的挑战

and the octopus has become one of the nautilus' major predators.
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and the octopus has become one of the nautilus' major predators. 章鱼也已经成为了猎食鹦鹉螺的主要天敌