Oleanolic acid
[化] 齐墩果酸; 土当归酸; 石竹素
🧩 词语组成解析
🗣️ 情景例句
My mother is a housewife and my father is retired.
我妈妈是家庭妇女，我爸爸退休了。
We have asked you to come to our Thank you Party today.
我们邀请你们参加我们今天的“感恩会”。
My holidays passed quickly, but I did not send cards to my friends.
假期过得真快，可我还没有给我的朋友们寄过一张明信片。