词根学习第259天: polit(polis, polic)=城市, 政治 一个视频记住"四海为家的"cosmopolitan, 串记大城市metropolis, megalopolis, megacity-词根UP单词量第259天 politics, politic, policy, polite 1. 辨析两种政治家politician vs. statesman 2. 辨析三种大城市metropolis, megalopolis, megacity