Levulic acid
[化] 3-乙酰丙酸; 4-氧代戊酸
🧩 词语组成解析
🗣️ 情景例句
Mom says we can give her a going-away surprise party.
妈妈说我们可以给她举行一个让她惊喜的欢送派对。
Have you send him any pencils?
你送他铅笔吗？
'Would you mind my coming with you?' he asked, before I had finished speaking.
“我跟你一道去行吗？”没等我说完话他就问道。