Arsenoardennite
砷铝钡矿, 砷锰硅铝矿
🗣️ 情景例句
Not a bad slogan.
不错的标语。
My brother used to speak French to me all the time.
我的兄弟过去总是对我说法语。
I'm afraid he's out. He won't be back until tomorrow.
对不起，他外出去了，明天才回来。