[, ] () communication, usually about one particular topic, between people in a special area on the Internet（通过互联网就某话题）聊天◆The website hosts a chat room for freelancers.这网站为自由职业者开设了一个聊天室。◆There will be a live chat session on web design at 9 pm.晚上 9 点将有一个有关网页设计的在线聊天会议。