Polonide
[化] 钋化物
🗣️ 情景例句
Are you Mr. Chen?
你是陈先生吗？
I ask him to do the washing now.
我要求他现在做洗涤工作。
So far, they have been unlucky in their search for gold and have no money at all.
到那时为止，他们寻找金子一直碰不上好运，而且他们身上一点钱也没有了。