Dipicolinic acid
[化] 吡啶二羧酸
🧩 词语组成解析
🗣️ 情景例句
Yes, I have a terrible cold.
是的，我得了重感冒。
How much is this land per acre?
每英亩地要多少钱？
I'll tell the shipping superintendent about it for you.
我会把这事告诉出货组长。