Dehydroacetic acid
[化] 保果鲜; 甲基乙酰吡喃二酮; α,r-二乙酰基乙酰乙酸; (俗称)脱氢醋酸
🧩 词语组成解析
🗣️ 情景例句
I waited for you for about a quarter of an hour.
我等了你差不多一刻钟。
If you want knwledge, you must toil for it.
若要求知识，必须刻苦学习。
Drop by anytime.
随时欢迎参观者。