Monoid
[计] 独异点; 类群
🗣️ 情景例句
you wouldn't need as much money.
不需要花多少钱。
The wife is the key of the house.
妻子是一家的钥匙。
No. I've never been to that farm before. What kinds of animals have they got?
不，我以前从来没有去过那个农场。他们有哪些种类的动物？