- (also instant message)[countable, uncountable]
a written message sent using a system on the internet that allows people to communicate with each other very quickly; the system of sending these messages 使用互联网上的系统发送的书面消息,使人们可以非常快速地相互交流;发送这些消息的系统 - (also instant messaging)[uncountable]
a system on the internet that allows people to exchange written messages with each other very quickly 即时通信(互联网的快捷信息传递系统)