Ppx
[计]= Packet Protocol eXtension,包规约扩充
🗣️ 情景例句
Thank you for going out with me. I had a very nice time.
谢谢你陪我出来。我过得很愉快。
Hello, is this the home of Mr. Chen?
喂，是陈先生的家吗？
Excuse me!
打扰一下。