David Eisenbach, who teaches a popular class on U.S. presidents at Columbia, prefers the in-class variety.

戴维·艾森巴赫在哥伦比亚大学教授一门关于美国总统的热门课程，他更偏爱课上考试。

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At Columbia, he was trained as a nurse practitioner.

在哥伦比亚，他被训练成一名执业护士。

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The study was led by Xiaodong Lin, a teacher at Columbia University.

这项研究是由哥伦比亚大学的老师林晓东领导的。

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He began at Yale Medical School, but he completed his medical degree at Columbia University in New York City.

VOA: special.2009.03.15

In 1931, at Columbia University, Harold Yuri discovered this isotope, which has two.

931年在哥伦比亚大学，哈罗德尤里发现同位素，有两个核电荷数。

麻省理工公开课 - 固态化学导论课程节选

But I think, if anything, especially here at Columbia, I've learned that...

但我觉得，总之，尤其是在哥伦比亚大学这里，我认识到……

文学是灵魂的方式 - SpeakingMax英语口语达人

Hour later, they were together again at Columbia University, headlining a summit focusing on national service.

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Professor Bill Benoit at University of Missouri at Columbia is a long-time observer of presidential politics.

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An answer to this puzzle comes from Trevor Harris, a fellow professor here at Columbia.

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