Cavity filter
[电] 空腔滤波器
🧩 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
Great! What is the daily rate?
太棒了， 房间一天多少钱？
Have but few friends though many acquaintances.
朋友要少，熟人要多。
Tomorrow never comes.
莫依赖明天。