Pdu
[计] 协议数据单元
🗣️ 情景例句
You'll never guess what I heard.
你永远也猜不到我听说了什么。
I'm going to be late.
我要迟到了。
I'm going to the shops. I want to buy some food for supper this evening.
我要去商场，想买些东西为晚饭做准备。