C253

Dai Zhennan found Cheng Ou from the laboratory, and just as he was about to speak, he was choked back. I don't like to be disturbed while I'm doing experiments, sit by the side and wait, it's almost done. " Dai Zhennan opened his mouth, without saying a word, he picked a spinning stool and sat down, the pocket of his pants had marks on it.

He did not know how long he waited