Why has it been so hard and why does it continue to be difficult to identify these pluripotent cells within tissues?

为什么会那么难呢,为什么在组织中识别多能干细胞,始终困难重重呢

耶鲁公开课 - 生物医学工程探索课程节选

So, as these products form, they continue to fall out of the way and keep this interface open.

因此随着产物的生成,金属钛会下沉，使得界面仍然保持开放。

麻省理工公开课 - 固态化学导论课程节选

Something like video games. So kids play video games but this model shop may continue to sell these complicated models. The next I want to show you is a sight I explore father-son relationship.

所以孩子们玩电子游戏,而这家模型店继续卖这些,复杂的模型，下面我要展示给你的是,是我探索父子关系方面的一段视频。

麻省理工公开课 - 媒体、教育、市场课程节选

We're going to keep using the things that exist in space, virtual or not, and the things that unfold in time in their relationship with each other as we continue to try to understand these basic principles which shape so much of subsequent literary theory. Thank you.

我们将继续解释事物的存在，无论它们是否可见，我们会学习语言在一段时间里的关系,随着我们继续学习这些基本的概念,我们会进一步理解文学理论，谢谢。

耶鲁公开课 - 文学理论导论课程节选