Packet filter
[计] 滤包器
🧩 词语组成解析
filter
['fɪltɚ]
n. 滤波器;滤光器;滤色镜;[化] 过滤器;
vi. 过滤;透过;渗透;
vt. 过滤;滤除;
🗣️ 情景例句
Who do you work for?
你是做什么工作的？
Beggars must (should) be no choosers.
行乞的哪能挑肥拣瘦；饥不择食。
Through my hands and fingers, I heard the sounds that one hears on a farm, the noises made by cows, horses, chickens and pigs.
通过手和手指，我听到了人们通常在农场所听到的声音--即牛、马、鸡、猪等叫出的声音。