Different kinds of polarity form, there's a head, and there's a tail, there's a back, there's a front, there's a left side and there's a right side.

不同的极性开始形成,有头端,也有尾端,有后面,也有前面,有左侧,也有右侧

耶鲁公开课 - 生物医学工程探索课程节选

You walk in the front door, Christ in majesty -on the left side are the damned writhing and on the right side are the blessed looking a good deal happier.

你走进大门口,威严的基督,左边是受诅咒之人在受煎熬,右侧是受保佑的人,看起来快乐得多

耶鲁公开课 - 聆听音乐课程节选