Pipecolic acid
[化] 2-哌啶酸; 哌可酸
🧩 词语组成解析
🗣️ 情景例句
The bible is a literary classic of the ancient world.
圣经是一部古代文学经典著作。
Who is the girl?
那女孩是谁？
What is it? asked the man.
“什么事？”楼上人问。