单词	action-research
释义	action-research noun : the use of techniques of social and psychological research to identify social problems in a group or community coupled with active participation of the investigators in group efforts to solve these problems Word History First Known Use 1945, in the meaning defined above
随便看	grain sorghum grain telescope grain thief grain thrips grain weevil grain-burnt grain-cut grained grainer grainers grainery grainfield grainfields grainier grainiest graininess graininesses graining graining board grainings grainland grainless grains grains of paradise grainsick

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