Arrhenite
铍钽铌矿, 蚀变的褐钇铌矿
🗣️ 情景例句
Will you please try to relax?
能不能放轻松些？
I've bee invited over to a friend's, and you?
有个朋友请我去作客，你呢？
It seemed as if there was no way out.
看情形似乎没有出路了。