Dioxopurine
黄嘌呤
🗣️ 情景例句
It's too soon to know for certain.
现在还太早， 不知道确切情况 。
He who has health has hope, and he who has hope has everything.
身体健壮就有希望，有了希望就有了一切。
I was alone，but not lonely.
我独自一人，但并不觉得寂寞。