Levulic acid
[化] 3-乙酰丙酸; 4-氧代戊酸
🧩 词语组成解析
🗣️ 情景例句
to ask Dad to sign as a guarantor.
请爸爸当担保人为我签字。
You bet!
当然！
One of these men was found and he began to tell the story of this family group.
哈利在这些人中找到了一位，他开始谈起了这个家族的历史。