求翻译：6月二号，星期三下午两点在教学楼一层会议听美国加州大学越汉史密丝博士主讲英文名歌，要求本系学生准时出席，勿迟到，早退，勿吸烟。发通知日期为六月一日是什么意思？

June 2, two in the afternoon on Wednesday, meeting in the school building level to listen to more Hanshimisi University of California, by Dr English name song, require the students to attend on time, do not be late, leave early, do not smoke. Issued a notice dated June 1

No. 2, june 00 Wednesday Floor 1 in teaching at the University of California, listen to the United States will be conducted by Dr Hon Smith's English name songs, demand that the students attend on time, don't be late, leave early, don't smoke. As the date of the notice on January 6

In June two, Wednesday 2 pm listen to US UC more Chinese Dr. Shi Misi in a classroom building conference to lecture English name song, the request originally are the student attend punctually, do not be late, leaves early, do not smoke.Sends the notice date for June 1

June 2 Wednesday two o'clock in the afternoon in teaching building floor meeting United States California University hanshimisi Dr English song, asking students on time at, not late leave early don't smoke. Notification date is June 1

In June two, Wednesday 2 pm listen to US UC more Chinese Dr. Shi Misi in a classroom building conference to lecture English name song, the request originally are the student attend punctually, do not be late, leaves early, do not smoke.Sends the notice date for June 1