Organs grown from single cells.
就是将单个细胞培育成为器官
stem cell researchers have found a way to get perfectly usable stem cells from fully grown human beings.
干细胞研究者已经找到了一种方法,
可以从成年人身上获取可用的干细胞。
but the other kids they have grown up with, their families are from Europe.
那些一起长大的孩子们,他们的家庭都来自欧洲。
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