Packet filtering
[计] 包滤波
🧩 词语组成解析
[计] 过滤
🗣️ 情景例句
What would you like to eat?
你们要吃点什么？
You'll hurt your arm, if you don't take care.
你不专心的话，就会伤到你的手指。
One of the first things Annie did was to teach me how to play.
安妮首先要做的事情之一，就是教我如何耍。