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
But next time, please ask me in advance to make a speech.
不过下一次请事先通知我一声要做演讲喔。
Don't miss the boat.
不要坐失良机。
Spiders are busy for at least half the year in killing insects.
蜘蛛至少有半年在忙于吃昆虫。