Prelog-djerassi lactone
[化] 普雷洛格-杰拉西内酯
🧩 词语组成解析
n. [化] 内酯
🗣️ 情景例句
I'm looking for nail polish remover.
我想买点洗指甲油水。
How old?
多老？
Customs Officers are quite tolerant these days,
现在的海关官员往往相当宽容。