Wavebands
n. （无线电的）波段( waveband的复数形式 )
🗣️ 情景例句
Hello, I would like to speak to ..., please.
喂， 我想找一下……
A man without a friend is only half a man.
无友的人只能算半个人。
You're an asshole.
你这缺德鬼。