So what we are concentrating on here we will develop gold coming from the source rock and in Sierra Leone this is the first of its kind."

VOA: standard.2010.04.22

The way we did this was to coax embryonic stem cells first to develop into the surface layer.

我们是这么做的,先诱导胚胎干细胞,发育成外胚层。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

During the lunch of the first day, their project groups were assigned eating, so we asked them to sit together over lunching beginning to develop their pool getting to know each other.

在第一天的午饭时间，项目组的同学一起吃饭，我们要求他们坐在一起,形成自己的圈子,并相互了解。

麻省理工公开课 - 媒体、教育、市场课程节选