Pdu
[计] 协议数据单元
🗣️ 情景例句
Hey, why don't we go out
嘿，我们何不出去
It is a mistake to trust him.
信任他是个错误。
You do not have to devise ways of taking your mind off the journey, for an aeroplane gets you to your destination rapidly.
你不必想办法去摆脱旅途的困扰，因为飞机会迅速地把你送到目的地。