Pdu
[计] 协议数据单元
🗣️ 情景例句
Let's tie the knot.
我们结婚吧。
Deliberate before you begin, then execute with vigour.
著手前要深思熟虑，执行要果断有力。
I will have to choose presents for all the family soon, but I haven't chosen any yet!
我很快就要为每一位家庭成员选购礼物，但我至今还什么也没买！