One thing that made me feel proud was giving a speech at an international student forum during my time as a graduate student.

让我感到自豪的一件事是在我读研究生期间在一个国际学生论坛上发表演讲。

During my time as a graduate student, I participated in an international student forum, which was a research symposium jointly organized by universities from different countries, including Australia, Japan, the United States and China.

在读研究生期间，我参加了一个国际学生论坛，这是一个由澳大利亚、日本、美国和中国等不同国家的大学联合举办的研究座谈会。