The topic for this week is cell communication: how mechanisms that cells within a complex organism use to communicate with each other at short distances or long distances.

本周的主题是细胞通讯,即在一个复杂机体中的细胞,采用何种交流机制,在或长或短的距离中相互联系

耶鲁公开课 - 生物医学工程探索课程节选

But it was a big, fake smile, the Pan Am smile, a smile to communicate "hello" and but it's as opposed to a smile where the communication is that of genuine happiness.

但那是大大的，虚假的微笑，泛美式微笑，微笑意味着你好,但与微笑截然相反,交流时微笑是真正开心的。

耶鲁公开课 - 心理学导论课程节选