Yun Bai
Student and researcher in USA
What’s up, I’m Yun. I’m a student living in USA. I am a fan of education, science, and university. I’m also interested in reading and engineering. You can watch my videos with a click on the button above.
What’s up, I’m Yun. I’m a student living in USA. I am a fan of education, science, and university. I’m also interested in reading and engineering. You can watch my videos with a click on the button above.