permutation | BrE pəːmjʊˈteɪʃ(ə)n, AmE ˌpərmjʊˈteɪʃ(ə)n | noun ① countable (arrangement) 一组排列 yī zǔ páiliè ▸ permutations and combinations 各种排列组合 ② uncountable Mathematics 排列 páiliè ③ countable British (selection in football pools) 选定组合 xuǎndìng zǔhé |