grouof people involved in a particular activity从事: go in for; devote oneself to ...某: certain; some活动: move about; exercise的: 4次方是 The fourth power of 2 i ...集体: collective; community; group ...下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:从事某活动的集体，即可在微信中查询翻译
