Nitralising
硝酸钠溶液浸渍净化法
🗣️ 情景例句
And thanks for being such an understanding father.
而且谢谢你是这样一位善于了解我的父亲。
This is Shen calling.
我姓沈。
We're in Class Three, Grade One.
我们是在一年级，三班。