Puzzolana
n. 火山灰(可用作水泥原料)
??? 情景例句
Michelle and I have all kinds of feelings
Michelle和我感覺很復(fù)雜
What would you like to eat?
你要吃些什么？
We'll have to cancel if we don't get that order soon.
如果不能很快拿到貨，我們只有取消啦。