Packet filtering
[计] 包滤波
🧩 词语组成解析
[计] 过滤
🗣️ 情景例句
I don't want to cut class.
我不想逃学。
A bird may be known by its song.
什么鸟唱什么歌。
The petrol had nearly all been used up.
汽油几乎已经用光。