Levulic acid
[化] 3-乙酰丙酸; 4-氧代戊酸
🧩 词语组成解析
🗣️ 情景例句
I started traveling twenty-four hours ago.
从出门到现在已经二十四小时了。
We intend to place large regular orders, and would therefore like to know what quantity discounts you allow.
我方将定期大量订购，因此想知道你方给多少数量折扣。
I'll get back to you as soon as I can.
我会尽快给你回音。