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
Are you carrying any items that need to be declared?
你没有携带需要申报的东西吗？
I'm sorry, but I think she's stepped out.
对不起，我想她出去了。
At the end of the concert, there was a great applause.
音乐会结束时，响起了热烈的掌声。