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
If you don't give me a better price, I won't buy this.
如果价格不更优惠些，我是不会买的。
Thank you for your kindness.
谢谢你的好心。
If they had only had one more child, the fact would have passed unnoticed.
如果他们只添了1个孩子，这件事本来就不会引起任何人的注意。