单双倍投的方法可行吗

简介：Su Can helped Zhang Xuzhang to a folding bed in the office where he could lie down. Just as he was about to return to the classroom, he found that under Teacher Zhang's tightly closed eyelids, his eyes were still moving slightly. He couldn't help but burst into laughter. It was probably because some mosquitoes were being eaten by him. I was so frightened that I felt a little embarrassed in front of the teachers and classmates.