Polycrase
(=polycrasite)[矿]复稀金矿, 锗铀钇矿石
🗣️ 情景例句
Thanks. Excuse me.
谢谢。对不起，失陪了。
You don not have to reveal your age.
你不必透露你的年龄。
Another one? They're delicious -- but no, thank you very much.
再吃一块？味道是很好，但我不要了，非常感谢。