They're all over each other sometimes and they can spread saliva or other fluids.

有时候他们会在一起追跑打闹,病毒和疫苗可以通过唾液或其它体液传播

耶鲁公开课 - 生物医学工程探索课程节选

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

For socialization, we designed the course so that at the beginning of the course and the end of the course the students were brought literarily from all over the world to New York and they spent a day with Professor Low and with each other.

为实现社会化,我们将来自世界各地的,学者聚集到纽约,并在课程开始和,结束的时候,让他们和Low教授,共同度过一整天。

麻省理工公开课 - 媒体、教育、市场课程节选