fed·er·a·tion /ˌfɛdəˈreʃən/
 聯邦,聯合,聯盟


 federation
 聯合會


 Fed·er·a·tion n.
 1. The act of uniting in a league; confederation.
 2. A league; a confederacy; a federal or confederated government.

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 federation
      n 1: an organization formed by merging several groups or parties
      2: a union of political organizations [syn: confederation, confederacy]
      3: the act of constituting a political unity out of a number of
         separate states or colonies or provinces so that each
         member retains the management of its internal affairs