单词	age-group
释义	age-group noun ˈāj-ˌgrüp  : a segment of a population that is of approximately the same age or is within a specified range of ages Word History First Known Use 1893, in the meaning defined above
随便看	immutablenesses immutably immutation immy IMO Imochagh Imohagh imonium imos imoshagh imou pine imp impact impact bomb impact extrusion impact parameter impact pressure impact printer impact printing impact strength impact test impact tube impact wrench impacted impacted area

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