Lactones
(lactone 的复数) n.[化] 内酯
🗣️ 情景例句
She always talks to me as though she were my sister.
她总是以我妹妹的口气跟我说话。
I wonder what makes you so worried.
我不知道是什么使你这样担心。
After working hard during the day I like to relax in the evening.
白天干了一天，晚上我要放松一下。