Hemigroup
[计] 半群
🗣️ 情景例句
I hope you won't take offense if I ask you not to smoke.
如果我请不你要吸烟，希望你不要生气。
The drunk humiliates the gentleman.
醉酒使得这位绅士丢人现眼。
He has the eye of a painter.
他有画家的鉴赏力。