translation.en: They take the donor ileum, which is filled with microbes from a donor and they have a recipient who might have a problem with their microbial community, say Crohn's disease, and they sterilized the donor ileum.
translation.zh: 他们取得捐赠者的回肠，里边充满捐赠者身上的微生物 同时有受赠者，他们体内的微生物菌群可能出了些问题 比如说，克罗恩病患者 然后他们消毒捐赠者的回肠