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
Please hold my calls.
让他等一会儿。
He who is afraid of asking is ashamed of learning.
害怕问者耻于学。
Really? Which ones?
真的吗？哪种工作呢？