Quinaldic acid
[化] 喹哪啶酸; 喹啉-2-羧酸
🧩 词语组成解析
🗣️ 情景例句
This has been a hard course for me.
这门课对于我来说很难。
He can't dress himself yet because he's too young.
他还不能给他自己穿衣服因为他是太年轻的。
Well, Mrs Brown, maybe he has caught a bit of a cold.
嗯，布朗太太，也许他只是有点儿感冒。