Who is the serpent? What is he doing? What's going on?

究竟这条蛇是什么来历，它做了什么，发生了什么？

耶鲁公开课 - 旧约导论课程节选

So his was a progression out of a very poor, Southern childhood, from a black family led by a single mother, to the circles in which Gertrude Stein moved in Paris.

从他在南方的贫穷的童年,黑人家庭的来历，单亲妈妈的抚养，到他一步步脱离这样背景,迈向葛楚德，史坦迁往巴黎后的圈子。

耶鲁公开课 - 1945年后的美国小说课程节选

That's how we got to the Fahrenheit scale.

。6度这就是华氏温标的来历。

麻省理工公开课 - 热力学与动力学课程节选

That's where St. Petersburg comes from.

这就是圣彼得堡的来历

耶鲁公开课 - 欧洲文明课程节选