Semigroup
[计] 半群
🗣️ 情景例句
But you never have to worry about Max.
但你根本不用担心Max。
One half of the world does not know how the other half lives.
贫富不相知。
Carlyle was entirely ignorant of what the bottle in his pocket contained,
卡莱尔不知道药瓶子里装的是什么药，