R-f preselectors
[电] 射频预选器
🗣️ 情景例句
Vote for Ellen Stewart. She cares.
投Ellen Stewart一票。她关心。"
In for a penny, in for a pound.
一不做，二不休。
The children were running to move the bag of rice when they heard the sound of a motorbike.
孩子们跑去搬那包大米，这时他们听到摩托车的声音。