Unless slavery could spread,they said, the slave population in the South would become too large.

VOA: special.2009.07.16

Do you worry that they could become radicalized like apparently some Muslims in...say ? in the UK? Born there, they are educated there, but they are radicalized to the extent that they are engaged in... ? bombings?

您担心他们可能变得极端,像一些。。。美国的,伊斯兰教徒那样吗,他们尽管在本地出生，受教育,还是容易变得极端，甚至参与。,爆炸事件？

普林斯顿公开课 - 国际座谈会课程节选

Well, it would be useful because if I could take cells from the skin, find stem cells in the skin and then de-differentiate them so that they were now capable of becoming liver, or brain, or things that they're not going to become in their normal site, then that could be a very powerful tool for medicine.

这是因为,如果我能取一些皮肤细胞,找一些皮肤干细胞,并将它们去分化,那它们就能分化成肝脏,大脑或其他一些,它们原本分化不出来的细胞,这可以成为一个医学利器

耶鲁公开课 - 生物医学工程探索课程节选

If they are right about that new crack in the earth, this landlocked country could become a beach resort within, say,a few hundred thousand years.

VOA: standard.2009.12.14