t. "Wenao nodded. "fortunately, nothing happened. I'll keep it a secret for Professor Bill for the time being!"the two researchers breathed a sigh of relief.Wonder asked, "what kind of virus did that...est was pounding.Ling Fu looked at Si Yan and said, "Yunting, long time no see!"the last time Si Yan went to Ling's home or Su Xi came back from Hongdu, everyone didn't introduce him at that time, and...