Perparaldehyde
[化] 过仲醛
🗣️ 情景例句
What's inside?
这里面是什么？
Do you like sliding?
你喜欢溜滑梯？
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。