国产丝袜极品视频在线观看_午夜精品一区二区成人免费_色偷偷亚洲男人天堂岛_亚洲AV自慰白浆喷水肥臀_中文在线理伦视频在线播放

　　On December 4, 2016, at 6 pm, in the commemoration of the 81st anniversary of 12.9 Moverment, a singing contest was held at the Beijing Insitute of Technology Gymnasium on Zhongguancun Campus. The School of Management and Economics beat the rivals with a "Spring Story", and won the second place of the singing competition.