Lactones
(lactone 的复数) n.[化] 内酯
🗣️ 情景例句
Please cash this check.
请兑现这张支票。
To carry game to the nest
把猎获物搬到巢里
They teach us Chinese and we teach them English. Please write soon!
他们教我们汉语，我们教他们英语。请赶快回信。