那是因为脐带血中含有干细胞，将来某一天它能够挽救孩子或是孩子兄弟姐妹的生命。

That's because cord blood contains stem cells that could one day save the life of your child or of one of your child's siblings.

youdao

从82岁和89岁的两姐妹身上取到的这种细胞没有直接的医疗用途，研究人员在科学杂志报道。

There is no immediate medical use for the cells, taken from two sisters aged 82 and 89, the researchers reported in the journal Science.

youdao

而造血干细胞的最好成婚源那么她同胞兄弟姐妹的脐带血。

And the best source of the hematopoietic stem cell is the cord blood of her siblings.

youdao