Piperidic acid
[化] γ-氨基丁酸
🧩 词语组成解析
🗣️ 情景例句
Things are never as bad as they seem.
事情往往不像看上去的那么糟。
Mrs.Smith, I'd like to introduce a friend of mine, Pierre Dubois.
史密斯太太，我来介绍一下我的朋友皮埃尔=杜布斯。
The fire service began to wonder whether a gas might have caused the fire.
消防部门开始怀疑有一种气体可能会导致火灾。