Four teachers and the first class of eighty young women lived and studied in the building when the school opened.

VOA: special.2010.06.27

And that person who really studied it systematically, and is given credit for developing the first vaccine, is a Scottish physician named Edward Jenner.

而那个系统研究疫苗,并被誉为发明了第一支疫苗的人,叫爱德华?詹纳,是苏格兰的一名医生

耶鲁公开课 - 生物医学工程探索课程节选

I'm going to go away from studying imperfect competition and go back and visit something we studied almost the first day or maybe the second day, and that election.

我将放下不完全竞争,而是返回去讲我们几乎是第一天,或者是第二天学习的一些内容,就是选举

耶鲁公开课 - 博弈论课程节选