Wavebands
n. （无线电的）波段( waveband的复数形式 )
🗣️ 情景例句
I'm unemployed at the moment.
现在我失业了。
The scent of roses is wonderful.
玫瑰的芳香非常棒！
You soar effortlessly over high mountains and deep valleys.
你毫不费劲地飞越高山幽谷，