Polycrase
(=polycrasite)[矿]复稀金矿, 锗铀钇矿石
🗣️ 情景例句
Stopping by Woods on a Snowy Evening.
雪夜林边小驻足。
Excuse me I couldn't write you sooner.
对不起我不能尽快给你写信。
Tomorrow evening they will be singing at the Workers' Club.
明晚他们将在工人俱乐部演出。