Coalgebra
上代数
🗣️ 情景例句
What's so special about him?
他有什么特别的呢？
Ignorance is the mother of impudence.
厚颜无耻由于愚昧无知。
Sure I was. I'll never forget that.
我当然在那儿了。我永远都不会忘记那次地震。