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
You'll probably want the family car
你也许需要用家里的车
The stain on the dress isn't really noticeable.
那件衣服上的污渍并不很明显。
Didn't you have a crash?
难说您没有出车祸吗？