Lactones
(lactone 的复数) n.[化] 内酯
🗣️ 情景例句
I condemn fascism and all it stands for.
我谴责法西斯主义及其代表的一切。
She took an aspirin to relieve her headache.
她吃了一片阿斯匹林以解头痛。
Whose is this watch?
这块表是谁的？