改变, 交换, [数]排列, 置换英释中释none of the different ways in which a number of things can be arranged
1 permutation and combination,n. [数]排列组合
1 a sandwich shop that sells every possible permutation of meat and bread.出售各种肉类和面包组合的三明治店
更新时间:2025-02-22 14:46:18