Semigroup
[计] 半群
🗣️ 情景例句
I wanted to, but Jack Davis needed a photographer.
我真的想参加上课， 但Jack Davis要我拍照。
I hope so.
我希望如此。
That's a good idea! I'm sure she'll like it.
这是个好主意！我相信她会喜欢的。