Levulinamide
4-氧(代)戊酰胺
🗣️ 情景例句
Harry and Michelle can watch Max sleeping.
Harry和Michelle可以去看Max在睡觉。
He seems very serious, but in fact he has a delightful sense of humor.
他看上去很严肃，其实很诙谐。
Congratulations on you success.
祝贺你的成功。