Dipicolinic acid
[化] 吡啶二羧酸
🧩 词语组成解析
🗣️ 情景例句
Let's get the ball rolling.
让我们开始吧。
I asked him to play with me, but he wouldn't.
我请他和我玩，但是他不肯。
Maybe it was useful for some people, but it wasn't for me.
它可能对一些人有用，但对我没用。