webchat
noun [ C ] internet & telecoms specialized uk/ˈweb.tʃæt/ us/ˈweb.tʃæt/
网络聊天
a type of service available on the internet that allows you to exchange written messages with someone else who is using the service at the same time, without the need to use special software
You can join in the discussions with cancer experts during a live webchat. 你可以在现场网络聊天中加入与癌症专家的讨论。