单词	alternativity
释义	alternativity noun al·​ter·​na·​tiv·​i·​ty (ˌ)ȯlˌtərnəˈtivətē also (ˌ)al- plural -es : the power to choose between two courses of action Word History First Known Use 1864, in the meaning defined above
随便看	backed up or away backed-blade backen backend backends backer backer-up backers backers-up backest backet backets backfall backfalls backfat backfield backfields backfill backfilled backfiller backfilling backfills backfin backfire backfired

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