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
Is unwilling to start at the bottom, expects too much too soon.
不愿从基层干起，要求太多。
Wade not in unknown water.
不知水的深浅，不可粗心趟水过河。
The flames threw light onto the ceiling of the cave.
火焰照亮了山洞的顶部。