Dimetofrine
二甲福林
🗣️ 情景例句
We have four people in the family, my parents, my elder brother and I.
我家有 4 口人，我的父母，我的哥哥和我。
My sister has been engaged for two months.
我的姐姐订婚有2个月的时间了
What's the doing?
她在干什么？