英语通知讲座时间：6月2日（星期六）上午9：00 大约2个小时地点：一楼阅览室演讲人：史密斯教授内容：世界计算机发展近况

Ladies and gentlemen,attention,please!（是这么叫的吧= =）
There will be a lecture given by Dr Smith at the reading room at the ground floor this Saturday.It will start at 9am on June 2nd.And it will last for about 2 hours.The lecture is about the latest development of the whole world’s computers.
Please show up on time!We will have a discussion after the lecture.
Thanks for listening!
还行吧.