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
I'm new here, can you help me find my way around?
我是新来的，你能带我转转吗？
How much cloth did you want to order?
你想要多少布料？
has spent his lifetime studying active volcanoes and deep caves in all parts of the world.
花了毕生的精力来研究世界各地的活火山和探洞。