Packet header
[计] 包头
🧩 词语组成解析
header
['hedə]
n. 头球;割穗机;（计算机打印时自动加在各页顶端的）标头;集管;
🗣️ 情景例句
How was your day?
今天好吗？
A plant may produce new flowers; man is young but once.
花有重开日，人无再少年。
I'm sorry, but this week isn't very convenient for me.
对不起，这个星期我都不方便。