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
It's your turn, Shirley.
轮到你了， Shirley。
We are in great need of Grade A.
我们急需一等品。
What's that fly doing in my soup?
我汤里的这只苍蝇在干什么呢？