Levulic acid
[化] 3-乙酰丙酸; 4-氧代戊酸
🧩 词语组成解析
🗣️ 情景例句
I could never sneak into the movies, that's just like stealing.
我不能偷偷溜进电影院，那跟偷东西没有区别。
She spends much of her leisure times watching TV.
她花很多空闲时间看电视。
No, she's much younger than I am. She only started here this term.
对，她年纪比我小得多。她是这个学期才进校学习的。