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	-osises -osma -osphrasia -osphresia -osteus -ostoses -ostosis -ostosises -ota -ote -otic -ourous -ous -oyl -pagi -pagus -parae -paras -partism -pathia -pathic -pathy -pede -pellic -pelmous

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