Permutation operator
[化] 置换算符
🧩 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
One scoop or two?
一杓还是两杓？
Mr. Smith, would you like to start things off?
史密斯先生，你要开始做事了吗？
This person recognized the words for river and guitar, and so Haley thought that his ancestor must have come from Gambia.
这个人认出了表示“江”和“吉他”的这两个词，于是哈利就认为他的祖先准是来自冈比亚。