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
in a horse and carriage.
坐马车。
The best horse needs breeding, and the aptest child needs teaching.
最好的马要驯，最伶俐的孩子要教。
What seems to be the delay in shipping?
你们出货延迟了，是什么原故呢？