Beryllonite
磷(酸)钠铍石
🗣️ 情景例句
I'm sorry you can't come with us, Susan.
很遗憾你不能同我们一起去， Susan。
He who fears being conquered is sure of defeat.
怕吃败仗的就要打败仗。
You should then establish your own individual aims.
然后，你一定要建立起自己的目标。