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
But I have a doctor's appointment in the afternoon.
但我后天下午跟医生约好了。
If the ox falls,whet your knife.
牛一倒，快磨刀；人遭难，众人踩。
She bumped into the furniture and kept mumbling about the guests.
她撞到了家具上，嘴里还不断咕咕哝哝议论客人。