Poset
n. 偏序集
🗣️ 情景例句
Right.
对。
Inside the packet is some money.
小红包里装着些钱。
Oh, sorry! This is Lucy. This is Lily. They're new. Lucy, this is my friend Jim.
噢，对不起，这是露茜，这个是莉莉。他们是新来的，露茜这是我的朋友吉姆。