Lactone
n. [化] 内酯
🗣️ 情景例句
What time does the Michigan football game come on?
Michigan队的足球赛何时开始？
It is right to put everything in its proper use.
凡事都应该用得其所。
It must be the only modern house in the district.
它肯定是这个地区唯一的一栋现代化住宅。