单词	屁股着地的摔倒
释义	屁股着地的摔倒 pratfall
随便看	social stigmatization social stimulation social stimulus social stipulation social strata social strata divesion social strata structure social strata structure changes social strategy social strategy to crimes socialstratification social stratification Social Stratification and Social Inequality Social Stratification and Social st social stratification in rural areas social stratification in science social stratification mechanism Social stratification of contemporary China social stratifications social stratification standard social stratification theory social strattan polarization social stratum social stratum and structure social stratum differentiation