Uf
abbr. 脲甲醛树脂；超声频率（Ultrasonic Frequency）
🗣️ 情景例句
Oh, well, that would be very nice.
噢， 好吧， 那倒很好。
Have you taken a plane?
你坐过飞机吗？
He was the man who climbed the Leaning Tower of Pisa and dropped various weights from the top,
他就是那个曾经爬上比萨斜塔，从塔顶向下抛掷各种重物的人；