chatting system

• 聊天系统

chatting system的用法和样例：

例句

1. Most chat systems have both predefined and users created chat room.
   许多聊天系统都有预先设定好的或用户自己创建的聊天室。
2. When people connect to a chat system, they can choose to participate in the rooms they find interesting or useful.
   当连接到某一聊天系统后，人们便可选择加入他认为有兴趣或有用的聊天室。