Semigroup property
[计] 半群性
🧩 词语组成解析
[计] 半群
🗣️ 情景例句
That has nothing to do with what I'm talking about.
那跟我说的事情没有关系。
A man without a smiling face must not open a shop.
人无笑脸，不要开店。
'I don't think the windows need cleaning at this time of the night.
“我看不必在夜里这个时候擦窗子吧。