Ufs
(uf 的第三人称 -s形式) abbr. 脲甲醛树脂；超声频率（Ultrasonic Frequency）
🗣️ 情景例句
With the development of urban construction in recene years, more and more skyscrapers have been set up unceasingly.
随着近年来城市建设的发展，越来越多的摩天大楼不断建起。
Would you open the door for me, please?
你能替我开门吗？
You're a disgrace.
你真丢人！