Wavebands
n. （无线电的）波段( waveband的复数形式 )
🗣️ 情景例句
Well, what do you want to do?
那你想干什么？
Who is the auther of this mystery story?
谁是这篇神秘故事的作者？
Whose? The twins?
谁的？那对双胞胎的吗？