专家们说，没有理由恐慌，不过注意还是应该的，原因是细菌的传播常常与厕所不干净和人体排泄物中的细菌有关。

Experts say there's no reason to panic — even though there may be good reasons to be grossed out, since the spread of germs is often linked to poor bathroom hygiene and bacteria from human waste.

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问题是，虽然胞内同生在真核生物中非常常见，这往往造成吞噬其他细胞，但是在较为硬质的细菌难以察觉。

The trouble is that, while cells within cells are common in eukaryotes, which often engulf other cells, they're vanishingly rare in more rigid bacteria.

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当微生物对多数抗菌素产生耐药性时，它们常常被称为“超级细菌”。

When the microorganisms become resistant to most antimicrobials they are often referred to as "superbugs".

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