Monoid
[计] 独异点; 类群
🗣️ 情景例句
She won the first place in a speech contest.
她在演讲比赛中获得很第一名。
Bare words, no bargain.
空言不能成交易。
That's not allowed. Once you are in here, listen to your teacher.
那是不允许的。一旦进来了，你们要听老师的话。