Catecholtannins
儿茶酚丹宁
🗣️ 情景例句
I'd like two cheeseburgers all-dressed, please.
我的奶酪汉堡什么料都要。
I know the boy whose father is a mailman.
我知道那个男孩的父亲是邮差。
What's wrong?
怎么回事？