Wavebands
n. （无线电的）波段( waveband的复数形式 )
🗣️ 情景例句
I would like to introduce you to your editor.
我来介绍你认识这本书的编辑。
Don't put the cart before the horse.
勿本末倒置；勿倒果为因。
I must go to the butcher's, too.
我还要到肉店去一下。