Levulinic acid
[化] 3-乙酰丙酸; 4-氧代戊酸\\n[医] 块茎糖酸, 乙酰丙酸
🧩 词语组成解析
乙酰丙
🗣️ 情景例句
I really appreciate all of your hospitality.
十分感谢您的款待。
Every couple is not a pair.
同床异梦，貌合神离。
hold the string so that the weight nearly touches the ground.
让重物几乎接触地面。