F-f cavity preselector
[電] 射頻空腔預選器
?? 詞語組成解析
[計] 預選器, 預選程序
??? 情景例句
I want to end our relationship.
我想結束咱倆的關系。
The message is often a famous quotation, religious principle or short poem.
格言經常是一句著名的名言、宗教教條或短詩。
A child ran into the street and knocked her off her bicycle.
一個孩子沖上馬路，把她從車上撞了下來。