Only public classrooms are crowded, and students from different classes sit together to listen to lectures by senior professors. As for usual professional classes, they are arranged in other classrooms, but they are not fixed classrooms....
本网站所有内容均收录于互联网相关站点，本站不提供影片资源储存也不参与录制与上传，若本站收录内容侵犯了您相关权益，请给我们留言，我们将及时进行处理。
