单词	discussion group
释义	discussion group noun 1 : a group of people who meet to discuss shared topics of interest … every Sunday for most of one school year Ellie went to a regular discussion group at a nearby church. Carl Sagan, Contact, 1985 2 : an electronic forum devoted to a particular topic : newsgroup Today a troll is someone who deliberately sends a rude or annoying message to a discussion group on the Internet. Ruth Walker, The Christian Science Monitor, 6 June 2011 Word History First Known Use 1895, in the meaning defined above
随便看	metathetic metathetical metathetically metathetize metathoraces metathoracic metathorax metathoraxes metatorbernite metatracheal metatrophic metatungstate metatungstic acid metatype metatypic Metauro metaurus metavanadate metavanadic acid metavariscite metavauxite metaverse metaverses metavoltine Metaxas

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