So, Dr. Sturgis, Sheldon tells us you're a guest professor at the university.

斯特吉斯，谢尔顿说，你是大学的客座教授。

Sheldon tells us you're a guest professor at the university.

谢尔顿说 你是大学的客座教授。

We are greatly honored to welcome you as a guest professor at our university.

我们非常荣幸地邀请您来我校做客座教授。