(often as part of a name 常作名称的一部分 a group that is formed to work for social or political change （社会或政治改革的）行动小组 the Child Poverty Action Group 解除儿童贫困行动小组 Local parents have formed an action group to campaign for better road safety. 当地的家长成立了行动小组，以争取改善道路安全状况。