Piperidic acid
[化] γ-氨基丁酸
🧩 词语组成解析
🗣️ 情景例句
I can communicate with foreigners easily.
我能轻松地和外国人沟通。
You think this is funny?
你认为这个很有趣？
Then he sat there and looked at it for three hours! He didn't write a word!
然后他就坐在那里，对着考卷看了3个小时，一个字也没写！