Pdu
[计] 协议数据单元
🗣️ 情景例句
No. I sold the house and the furniture,put a few personal things in an old trunk,
不。我把房子和家俱都卖了，剩下一些东西放进一个旧衣箱，
It is a good horse that never stumbles.
良马不失蹄。
Where do you work?
你在哪上班？