Uf
abbr. 脲甲醛树脂;超声频率(Ultrasonic Frequency)
🗣️ 情景例句
He considers himself intelligent.
他认为自己很聪明。
The color from my red socks ran because I used hot water in the wash.
由于用热水洗,所以红袜子的颜色渗出来了。
My old friend, Frank Halliday, is just such a person.
我的老朋友弗兰克。哈利戴正是这样一个人。
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