Endeiolite
硅铌钠矿
🗣️ 情景例句
Will you please take this upstairs, Susan?
麻烦你把这个带上去好吗， Susan？
I think you're mistaken about that.
我想你那样不对。
My aunt, Mrs flower, died three weeks ago.
我的伯母弗劳尔夫人3周前去世。