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	phenyl cyanide phenyl ether phenyl iodide phenyl isocyanate phenyl mercaptan phenyl methyl ketone phenylacetaldehyde phenylacetamides phenylalanine phenylalanines sires Siret sirex sirgang sirgangs siri Sirian siriases siricid Siricidae sirih sirihs sirii siring sirione

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