Piperidic acid
[化] γ-氨基丁酸
🧩 词语组成解析
🗣️ 情景例句
Isn't that right?
对不对？
We've booked a Western-style room for you.
我们已为你订了一间西式的房间。
Close the door after you，please.
请随手关门。