单词	permutation group
释义	permutation group noun : a group whose elements are permutations and in which the product of two permutations is a permutation whose effect is the same as the successive application of the first two Word History First Known Use 1893, in the meaning defined above
随便看	namedrops nameki namekoes namekos nameless namelessly namelessness namelessnesses namelier nameliest namely nameplate nameplates namer namers names namesake namesakes nametags nametapes Namib Namibe Namibia namibiae namibian

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。