Perphosphoric acid
[化] 过磷酸; 过二磷酸
🧩 词语组成解析
🗣️ 情景例句
Oh, that's a very good school.
哦， 那是个好学校。
Here!
到！
The purpose of my coming here is to inquire about possibilities of establishing trade relations with your company.
我此行的目的正是想探询与贵公司建立贸易关系的可能性。