Levulic acid
[化] 3-乙酰丙酸; 4-氧代戊酸
🧩 词语组成解析
🗣️ 情景例句
It's bright and clear today.
今天天气晴空万里。
Poverty shows us who are our friends and who are our enemies.
贫困才能显出敌和友。
Are there any hobbies or sports you particularly like?
但是，如果你喜欢读中文的短篇小说。