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
What about the baby?
那小宝宝怎么办？
I recognize that he is more clever than I am.
我承认他比我聪明。
How long has Jim been at his school?
吉姆到校有多长时间了？