章 691: Chapter 690: Restarting Two Major Laboratory Projects

Watching Wen Xin's receding figure, Dong Shunian gently tugged at Diwu Qixian's sleeve, "Hey, I think your friend is a bit strange, I don't know if you've noticed that during class, the content she writes in her books is deeper than what the teacher explains."

During class, Dong Shunian always found himself inadvertently wanting to take a look at Wen Xin. After he clearly saw the notes in Wen Xin's book, he was bewildered. He felt that even teachers might not be able to fully understand those notes.

Diwu Qixian, seeing Dong Shunian's astonished expression, nodded slightly. She took out a book from her backpack, which was the one Wen Xin had just used in class.

"That's right, inadvertently, I switched my book with Wen Xin's. Let's go to the library and see the notes in her book. I also found them too profound, simply incomprehensible."