This is a solar-powered sea slug.

这是太阳能海蛞蝓。

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They think that it could be a huge, unknown kind of sea slug.

他们认为“尼西”可能是一种庞大的、还不为人类所知的海蛞蝓。

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They think that it could be a huge, unknown kind of sea slug.

他们认为“尼西”可能是一种庞大的、还不为人类所知的海蛞蝓。

youdao