Permutation symbol
[计] 置换符号
🧩 词语组成解析
permutation
[ˌpə:mju(:)'teiʃən]
n. （一组事物可能的一种）序列，排列，排列中的任一组数字或文字;
🗣️ 情景例句
Blackjack.
二十一点！
That seems quite soon considering the nature of the product and shipping time.
考虑到产品的性质和运输时间那看来太快了。
The students are going to take the test in two days' time.
学生们准备在两天后就接受测验。