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	clarities clarity clarity of purpose Clark Clark cell Clark Fork Clark nutcracker clark standard cell clark's crow Clark's nutcracker clark's nutcracker Clarke Clarke's gazelle Clarke's spheroid clarkeite clarkia clarkias clarksburgs Clarksville claro claroes clarone claroni claros clarsach

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。