Pdu
[计] 协议数据单元
🗣️ 情景例句
You had it engraved!
你在上面刻了字！
Steve will certainly enjoy your company.
史蒂夫一定高兴跟你在一起。
There is no superior 'they' in the shape of managements and hotel hierarchies to darken his holiday days.
但在露营地里根本不会有管人的人上人"和酒店里的等级制度来使露营者的假日过得阴郁低沉。