Monoid
[计] 独异点; 类群
🗣️ 情景例句
I'm a graduate of Harvard University.
我是哈佛大学的毕业生。
Tom graduated from college at a very young age.
汤姆很年轻就从大学毕业了。
There are also endless numbers of birds in the tar as well.
沥青坑里还有无数只鸟的尸体。