单词	even permutation
释义	even permutation noun : a permutation that is produced by the successive application of an even number of interchanges of pairs of elements Word History First Known Use 1881, in the meaning defined above
随便看	deities deity deixes deixis deixises dej deject dejecta dejected dejectedly dejectedness dejectednesses dejecter dejectest dejecting dejection dejections dejects dejeuners dejeunes dek- deka deka- Dekabrist dekadrachm

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