They're fully functional organisms that can reproduce on their own, and they can start growing outside of any cell and that's what they do, they live extracellularly.

细菌可是麻雀虽小五脏俱全,它们能够凭借自身繁殖,可以在任意一个细胞外开始增殖,它们就是这样做的,在细胞外生长繁殖

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Sparrows and magpies, those kind of things.

麻雀和喜鹊，诸如此类的鸟类。

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