Narrow band filter
[计] 窄带滤波器
🧩 词语组成解析
narrow
['næro]
adj. 狭隘的;狭窄的;（种类或数目）有限的;仔细的，精确的;
vt. 限制，限定;（使）变窄;变得更窄;收缩;
n. 海峡;狭路，隘路;狭窄的水道;
vi. 变窄;
band
[bænd]
n. 带;乐队;衣带;价值;
vt. 给…镶边;用带绑扎;（将价格、收入等）划分档次;把…联合起来;
vt.& vi. 结合起来，伙同;
vi. 聚集，联合（起来）（通常与together 连用）;
band(to bind)→皮带；带子；条纹；乐队
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
Hi, Robbie.
嗨， Robbie。
His name is John Smith.
他叫约翰、史密斯。
Few things could be more impressive than the peace that descends on deserted city streets at weekends when the thousands that travel to work every day are tucked away in their homes in the country.
周末，当成千上万进城上班的人回到他们的乡间寓所之后，空旷的街市笼罩着一种宁静气氛，没有什么能比此时的宁静更令人难忘了。