Polycrase
(=polycrasite)[矿]复稀金矿, 锗铀钇矿石
🗣️ 情景例句
I can see straight into the neighbors'backyard from here.
从这我可以直接看到邻居们家的后院。
Can I cancel this ticket?
我可以取消这张票吗？
He is now retiring from political life and has gone abroad.
他现在退出了政界，到国外去了。