permutationKK [ˏpɝmjuˋteʃən] /ˌpɝmjuˈteɪʃən/發音名詞1排列、排列組合數學How many permutations of these five letters are possible?這五個字母共有多少種排列方式?2變化形式、組合方式The basic recipe has countless permutations across the region.這道基本食譜在當地有無數種變化形式。