Rinneite
[矿]钾铁盐
🗣️ 情景例句
I'm sorry, I didn't get your name.
对不起，我没听清楚你的名字。
My brother's in the army.He was just promoted to the rank of major.
我的兄弟在军队工作.他就被提拔为少校。
some snakes manufacture a poison different in every respect from that of others,
有些蛇产生的毒液也在各方面与另外一些毒蛇产生的毒液不同，