Pipecolinic acid
[化] 2-哌啶酸
🧩 词语组成解析
🗣️ 情景例句
What is she calling about?
她打来说什么？
If the hen does not prate,she will not lay.
不叨叨的母鸡不下蛋。
What is worth doing is worth doing well.
只要你觉得某事值得去做，就一定要把它做好。