Quinaldic acid
[化] 喹哪啶酸; 喹啉-2-羧酸
🧩 词语组成解析
🗣️ 情景例句
Three. Besides Chinese, my mother tongue, I can also speak English and French.
三种，除了我的母语中文外，我还会讲英语和法语。
The chemist is testing enzymes.
化学家在试验着酶。
Two main techniques have been used for training elephants,
驯象有两种主要的方法，