Polycrase
(=polycrasite)[矿]复稀金矿, 锗铀钇矿石
🗣️ 情景例句
Thank you.
谢谢。
I know he will understand your letter.
我知道他会明白我的信。
When everyone had taken his/her place, the lawyer spoke as follows.
当大家都入座以后，律师作了如下的发言