Prf
n. pulse-repetition frequency的简 写
🗣️ 情景例句
Oh, I see. I've had lots of work to do in New York.
哦，原来如此。我在纽约也有好多工作要做。
A good horse often needs a good spur.
好马常要好靴刺。
It sounds like you enjoyed it.
听起来你好象蛮喜欢的。