Researchers have found in the deep ocean the first-known kinds of multicellular organisms, dubbed Loricifera, that live completely oxygen-free. Cynthia Graber reports.

研究人员在深海首次发现一种生活在完全无氧环境中的多细胞生物，他们将这种生物命名为Loricifera。

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And in these sediments, from almost two miles below the ocean's surface, they found three distinct species of a tiny multicellular animal phylum called Loricifera.

这些样本采集处距海面有两英里深，科学家们却从中发现了3中截然不同的微小多细胞生物，他们把这种门类称作Loricifera。

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