我在19岁还是大学二年级的时候就已经上了电视。

I'd been in television since I was 19 and a sophomore.

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在大学二年级的时候，我看了一部电影《勇敢的心》。

I watched a fantastic movie named "Brave Heart" when I was in the second year in college.

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在一家很受欢迎的麦当劳里，我坐到了刘思思(音译)旁边，她是清华大学新闻系二年级学生，而这个学校被称作是中国的麻省理工。

At a popular McDonald's I sat down with Sisi Liu a sophomore majoring in journalism at Tsinghua University a school often referred to as China's MIT.

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So historically, the course is a lot of sophomores who, like me perhaps, are realizing that they finally have time to explore beyond their own interests.

从往年数据上可以看出，上这个课程的大都是大学二年级的学生，可能跟当时的我一样，开始认识到我们终于有时间,来探究我们兴趣以外的事情。

哈佛公开课 - 计算机科学课程节选