Last year,President Obama ended restrictions on the use of federal money for studies of human embryonic stem cells.
VOA: special.2010.11.02
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。
is that the, like the best stem cells come from human embryos.
是因为最好的干细胞来自于人类的胚胎。
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