Prf
n. pulse-repetition frequency的简 写
🗣️ 情景例句
Did you read the story in the paper, Malcolm?
你看到报纸上的新闻了吗 ，Malcolm？
Your niece is engaged,isn't she?
你的侄女订婚了，是吗？
I'll ask Mr. Hu. I'm sure that he won't mind. We may talk again next week.
我问问胡先生。我相信他是不会介意的。我们可以下周再谈。