Dipicolinic acid
[化] 吡啶二羧酸
🧩 词语组成解析
🗣️ 情景例句
I expected something better.
我所期望的比这要好。
Will you please pick up your clothes from the floor?
能请你把地板上的衣服捡起来吗？
No, I don't think we have.
我想没有。