Semigroup
[计] 半群
🗣️ 情景例句
You two belong on stage! That was wonderful!
你们俩简直是职业演员！ 读得太棒了！
It takes courage to do so.
这样做需要勇气。
It was like stepping into a secret art museum, in which we were the only visitors.
就像是走进入了一个秘密的艺术博物馆，我们是馆内唯一的游客。