Comenamic acid
[化] 考闷安酸; 4,5-二羟吡啶-2-羧酸
🧩 词语组成解析
🗣️ 情景例句
Good afternoon. What's the trouble?
下午好。有什么不舒服吗？
Oh, Mr. Student.
哦，老兄，你是学生吧。
We were very much surprised when the snake charmer suddenly began to play jazz and modern pop songs.
当耍蛇人突然又吹奏起爵士乐和现代流行乐曲时，我们感到非常惊奇。