1. 老教授主持了一次理論物理學家的研討會。
   The old professor had presided over a seminar for theoretical physicists.
2. 這位教授目前正在寫一本書。
   The professor is presently writing a book.
3. 我們的教授要求他就這個課題寫篇論文。
   Our professor asked him to write a treatise on the subject.
4. 教授將要做關于地理特征的講座。
   The professor will give a lecture of geographical features.
5. 該教授正進行高深的學術研究。
   The professor is engaged in advanced studies.
6. 我們的教授是一個學識淵博的人。
   Our professor is a man of profound learning.
7. 格林教授不久前在普林斯頓任教，現在是加州大學的系主任。
   Professor Green, lately of Princeton, is now head of the department at California.

教的英語翻譯：

授的英語翻譯：