Uf
abbr. 脲甲醛树脂；超声频率（Ultrasonic Frequency）
🗣️ 情景例句
We have Coca, and red tea etc.
我们有可口可乐，还有红茶等。
How about Mary? How long has she lived there?
玛丽怎么样？她在那儿住多久了？
I think that the doctor had better see you.
我想最好请医生来给你看一下。