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
Don't move! Get down on the floor.
别动！趴到地上！
It's a waste of time.
这是浪费时间。
By the end of next year, they will have finished work on the new stadium.
到明年年底，他们将把新体育场建成。