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
And take measures to reinforce them. Please set your mind at rest.
并采取措施加固。请放心好了。
I'm tired.
我累了。
They picked lots of bananas, and took them back to the boat.
他们搞了很多香蕉，并带回船上。