For Kellie, this is just the beginning of a painstaking repopulation process — one requiring a lot of time and a lot of energy.

对凯利来说，这只是苦的重新繁殖过程的开始——这过程需要大量的时和精力。

In order to get meaningful colonization and repopulation of the gut, you have to feed them.

为了实现肠道有意义的定植和再繁殖，你必这些细菌。

So it's really this whole idea of repopulation and recolonization and we do that

因此，这实际上就是整重新繁衍和重新定植的概念，我们通过已经存在的微生物来实现这点。