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
Doesn't it look just right on Susan? Susan
戴起来正好， 不是吗?
A work ill done must be twice done.
未做好的活，需要重新做。
I'm not sure. I think he may have to help his Dad in the garden.
我不清楚。我想可能他得帮助他爸爸在花园里干活。