1·John and I had a two-hour rap session yesterday.
昨天我和约翰畅谈了两个小时。
2·On March 23, 2007, the regional rap session of Entertainment Technology of Guangdong Province was held in Guangzhou.
2007年3月23日，“《演艺设备与科技》广东地区座谈会”在广州举行。