Frequency-selective device
[电] 电滤波器
🧩 词语组成解析
frequency
['frikwənsi]
n. 频繁性;[数][物]频率，次数;频率分布;
fr + equ =equal,even,表示“相等，平均” + enc + y [形容词后缀] → n.屡次；次数；频率
selective
[si'lektiv]
adj. 精心选择的;选择的，不普遍的;淘汰的;
🗣️ 情景例句
Littering makes the city look like a garbage dump.
随地乱扔垃圾使城市看起来就像个大垃圾堆。
It's a shame this restaurant is so expensive.
太遗憾了，这家餐馆太贵了。
How many players are there in a team?
一个队里有多少名队员？