How did vegetable matter get in there?

热狗里怎么会有植物性物质呢？

Sometimes I get biopsies from human colons and I find vegetable matter.

有时我从人类结肠进行活组织检查并发现植物性物质。

Herbivores on the other hand, have flat teeth for grinding vegetable matter.

另一方面，食草动物的牙齿扁平，可以磨碎植物。

Literally every part of the plant that is fragrant. So that does include banana chips and almonds and other bits and pieces of vegetable matter.

实际上，植物的每个部位都有香味。所以这确实包括香蕉片、杏仁和蔬菜物质的其他部分。

" Let me put it this way. Sometimes I get biopsies from human colons and I find vegetable matter. I'll just leave it at that."

“这样说吧。有时我从人类结肠提取活组织，会发现植物性物质。我就放在那里不管了。”

No physiologist doubts that a stomach by being adapted to digest vegetable matter alone, or flesh alone, draws most nutriment from these substances.

没有生理学家怀疑胃适合单独消化植物性物质或单独消化肉类， 因此可以从这些物质中吸取大部分营养。

It was also quickly discovered that carbon-14 samples can be easily contaminated with carbon from other sources, a tiny scrap of vegetable matter, for instance, that has been collected with the sample and not noticed.

人们又很快发现，碳－14的样品很容易被别处的碳污染，比如，一小点儿连同样品一起被采集来的而又没有被注意到的植物。