In terms of cost to institute this, the upfront cost to build classrooms, to accommodate this kind of structure, we need two classrooms that hold 170 students a piece to do this.

关于建这个项目的成本，最主要的就是搭建教室，使之适应这种教学模式，我们需要两间能装170人,的教室来上这种课。

麻省理工公开课 - 媒体、教育、市场课程节选

I want to end this lecture summing up, drawing a lot upon Milgram and some other work, and talk first about two forces for evil and then to end by talking about two forces for good.

在本节课最后，我想总结，通过详细讲解米尔格林姆实验，还有其他实验，为大家讲解使人变坏的两股力量,最后讲使人变好的两股力量。

耶鲁公开课 - 心理学导论课程节选

These junctions, these red dots here are actually made up of proteins, some are synthesized by one cell, some are synthesized by each other, and they lock together to form a very tight barrier, to form a tight junction between the two cells.

这些红点表示细胞连接,实际上是由蛋白质构成的,有些是由一个细胞单独生成的,有些是由两个细胞共同生成,使这两个细胞紧锁在一起形成紧密的屏障,并在两细胞间形成紧密连接

耶鲁公开课 - 生物医学工程探索课程节选

Cells share signals with each other, and that leads to activation of a specific cell population if we're thinking about a vaccine that produces antibodies, that leads to activation of B-cells, immature B-cells, which do two things.

细胞与细胞之间存在信号传递,而这将激活特定的细胞群体,如果是一些能够产生抗体的疫苗,抗体将会激活B淋巴细胞,幼B淋巴细胞,使其发生两种变化

耶鲁公开课 - 生物医学工程探索课程节选