Levulic acid
[化] 3-乙酰丙酸; 4-氧代戊酸
🧩 词语组成解析
🗣️ 情景例句
But your L C must reach us 30 days before delivery.
但交货前30天，我们必须要收到你们的信用证。
A good name keeps lustre in the dark.
好的名声在黑暗中也会光芒四射。
Joe Sanders has the most beautiful garden in our town.
乔。桑德斯拥有我们镇上最漂亮的花园。