Prf
n. pulse-repetition frequency的简 写
🗣️ 情景例句
I'm sorry, Marilyn.
对不起 ，Marilyn。
He who fears to suffer, suffers from fear.
怕吃苦头的反因怕而吃苦头。
What do you have to do round the house when you're at home?
你在家时得做些什么家务事？