Piperidic acid
[化] γ-氨基丁酸
🧩 词语组成解析
🗣️ 情景例句
No. But in five or six months ...
不急。但是在五 、六个月后……
The cow that's first up gets the first of the dew.
早起母牛先得露。
It is because his feet move on, but his head stays still.
这是因为他的脚动了，而他的头保持着静止。