Dipicolinic acid
[化] 吡啶二羧酸
🧩 词语组成解析
🗣️ 情景例句
That's the deal.
这是交换条件。
Speak of angels and you will hear their wings.
说到曹操，曹操就到。
If you recognize yourself in this description,
如果你觉得你的情况是这样的话，