the lecture circuit

• 巡回讲学

the lecture circuit的用法和样例：

例句

1. He is currently rounding out a lecture tour at more than 20 universities in the United States and Canada as a Visiting Luce Scholar at the University of Pennsylvania.
   目前，作为宾西法尼亚大学的路斯访问学者，他即将完成在美国和加拿大的二十多所大学的巡回讲学。