他是一个著名的物理教授，他生活于本世纪。

He was a famous professor of physics. He lived in this century.

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10月10日下午，著名物理学家、诺贝尔奖获得者杨振宁教授来到北大，作了一场题为“我的读书与教学经验”的讲座。

In the afternoon of Oct. 10th, famous physicist, the Nobel Prize winner professor Yang Zhenning came to Peking University and gave a presentation entitled "my experience of reading and teaching".

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