Tetronic acid
[化] 特窗酸; 季酮酸; 4-羟乙酰乙酸内酯
🧩 词语组成解析
🗣️ 情景例句
Too bad we can't bottle the sound.
不能将声音装瓶真是太可惜了。
It seems he's disappointed.
看起来他好像很失望。
Example is better than precept.
身教胜于言传。