魏和同事们发现事实上大熊猫消化道具有与食草动物消化道中相似的细菌。

Wei and colleagues found that pandas' digestive tracts do in fact contain bacteria similar to those in the intestines of herbivores.

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没有被正确地消化的食物在消化道中缓慢移动，然后酸性变得越来越强。

Improperly digested food moves slowly through the digestive tract, where it becomes increasingly acidic.

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当血液被消化时，它会通过一个为适应排除过量营养素而形成的消化道。

When ingested, the blood goes through a tract that's adapted for extracting nutrients.

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So there are certain facts about the digestive tract such that if you think about them you can't do something, kiss the person.

所以有某些关于消化道的事实,如果你考虑了它们，你就不能做某件事了，亲吻别人。

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In many cases, it affects--it also initiates its infection through the gut.

在很多情况下,它也同样是一种经消化道感染病毒

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It's sort of like the digestive tract story.

这是和消化道故事差不多的故事。

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