Wavebands
n. （无线电的）波段( waveband的复数形式 )
🗣️ 情景例句
One is as old as one's heart.
心多老人多老。
It really comes in handy.
有了它真是方便。
The lines of the animal had in fact been cut into the rock.
事实上，动物的线条被刻进岩石里。