ICQ

例句：

1. 1. IRC is a popular tool for online communication.
   ICQ是在线通信的热门工具。
2. 2. Many people use IRC to connect with friends and family online.
   许多人使用ICQ在网上与朋友和家人保持联系。
3. 3. IRC chat rooms are great places to meet new people and share ideas.
   ICQ聊天室是结识新朋友和分享想法的好地方。