Ferrometry
[化] 亚铁量法; 亚铁量滴定法
🗣️ 情景例句
Philip, I've been working on this special project Philip
我一直在研拟一项特别计划
How long have you had this pain?
疼痛多久了？
Morning! I'm sorry to trouble you. Could I borrow a pan, please? Mine has just broken.
早上好！对不起，打扰您了。我想借您的平底锅，可以吗？我的刚刚打碎了。