Chalcolite
铜铀云母
🗣️ 情景例句
OK. Do you know when you'll come and visit?
好啊。你知道几时还会再来拜访我们吗？
I don't-know what-to do.
我不知道该做些什么。[两个辅音连接，只读后一个]
Traffic police are sometimes very polite.
交通警有时也很客气。