Radio-frequency
n. 射频, 无线电频率
📖 牛津释义
radio-frequency
n frequency of electromagnetic waves used in radio and TV transmission, between 10kilocycles per second and 3000000 megacycles per second射频, 无线电频率（无线电传递和电视发送所用电磁波的频率, 其范围从每秒10千周到3000000兆周之间）.
🧩 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
🗣️ 情景例句
I enjoyed myself very much.
我玩得很开心尽兴。
Say not all that you know, believe not all that you hear.
莫道全所知，莫信全所闻。
Now move the hand to and fro and around but not up and down.
然后把手前后左右以及旋转摆动，但不要上下摆动。