Mid-frequency
中心频率
🧩 词语组成解析
mid
[[mid]]
a. 中间的, 中央的, 中部的\\nprep. 在...之中
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
🗣️ 情景例句
You really must have your wits about your when dealing with such people.
跟这类人打交道，你必须格外警觉。
A standard one. Replacement during the first year if all rules for proper use have been followed.
有一个原则，如果在一年内符合各种使用规定，就可更换。
Some of them are very cheap.
其中有些商品挺便宜的。