F-f cavity preselector
[电] 射频空腔预选器
🧩 词语组成解析
[计] 预选器, 预选程序
🗣️ 情景例句
He's really cute.
他真是逗人喜爱。
The man who makes no mistakes does not usually make anything.
不犯错误的人往往也就是无所作为的人。
We're now going back to the studio.'
现在我们回到电视演播室。”