[00:03.81]announce :v.宣布 [00:05.71]chairman :n.主席 [00:07.41]conference room :会议室 [00:09.47]document :n.文件 [00:11.30]equipment :n.设备 [00:13.08]formal :a.正式的 [00:14.83]location :n.地点 [00:16.63]meeting notice :会议通知...