Prf
n. pulse-repetition frequency的简 写
🗣️ 情景例句
The number you are calling -- 555-8448 --
你打的电话号码555 8448
I haven't got time right now.
我现在没有时间。
One of the things that fascinates us most about cats is the popular belief that they have nine lives.
最使我们感兴趣的一件事情就是一种通俗的信念——猫有九条命。