Prf
n. pulse-repetition frequency的简 写
🗣️ 情景例句
Telephone Mrs. Zaskey at the advertising agency.
打电话给广告代理Zaskey夫人。
The cameraman is filming a famous star.
摄影师正在拍摄著名影星的电影。
Ah yes, I can see it now.
噢，是啊，我现在看到了。