Active filter
[电] 活性滤波器
🧩 词语组成解析
active
['æktiv]
adj. 积极的，活跃的，有生气的;迅速的，敏捷的;有效的，起作用的;
n. [语法]主动语态;积极分子，活跃的人;
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
and wrote to his wife Martha.
给他妻子Martha写信。
I enjoyed it very much.
我非常喜欢。
There were birds too, with the eyes carved out of the rock and painted white.
还有一些鸟的眼睛是用石头刻的，并被涂上白色。