Levulic acid
[化] 3-乙酰丙酸; 4-氧代戊酸
🧩 词语组成解析
🗣️ 情景例句
We're very lucky, the three of us ...
我们非常幸运， 我们三个……
He is suffering from whiplash.
他因鞭打症而受着苦。
He came out of the library, a large book under his arm.
他夹着本厚书，走出了图书馆。