Stem cells from very early embryos are able to grow into any tissue in the body.

VOA: special.2009.04.07

All the goods of civilization, Hobbes tells us, stem from our ability to control pride.

霍布斯告诉我们说，文明之所以文明，源自于我们对追求荣誉之心的克制。

耶鲁公开课 - 政治哲学导论课程节选

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。

干细胞和伦理 - SpeakingMax英语口语达人

The worries stem from fears that fiscal problems in Greece could spread to other countries in Europe.

VOA: standard.2010.05.17

The other is that it's possible to get stem cells from patients, from bone marrow.

另外一个原因就是从病人的骨髓中,取得干细胞是可行的

耶鲁公开课 - 生物医学工程探索课程节选

Spats within the opposition stem largely from ideological differences among the three opposition parties which consist of a conservative Islamic group that caters to the Malay Muslim majority;

VOA: standard.2009.12.21

But from what I know, generally the more religious groups tend to be opposed to stem cell research,

但是一般来说，就我所知越是反对干细胞研究的人，

关于干细胞的研究 - SpeakingMax英语口语达人

To find stem cells that they can move from one kind of pathway to another.

去找那些能够,从一种分化途径转到另一种的干细胞

耶鲁公开课 - 生物医学工程探索课程节选