单词	abmigration
释义	abmigration noun ab·​mi·​gra·​tion ¦abˌmīˈgrāshən plural -s : northward summer migration of birds that have not made a corresponding southward journey in the previous autumn Word History Etymology ab- entry 1 + migration First Known Use 1923, in the meaning defined above
随便看	extols extorsive extorsively extort extorted extorter extorters extorting extortion extortionary extortionate extortionately extortioner extortioners extortionist extortionists extortions extortious extortive extorts extr extra extra binder extra commercium extra cover

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