newsgroup

news.group

n.（名词）
An area on a computer network, especially the Internet, devoted to the discussion of a specified topic:
新闻群组：计算机网络区域，尤其是在因特网中讨论某一特定主题的区域：
例句：
read messages posted to newsgroups that discuss pet cats.
阅读登载在新闻群组里关于宠物猫的讯息