Wavebands
n. （无线电的）波段( waveband的复数形式 )
🗣️ 情景例句
Are you going to return it here?
你要在这里归还吗？
What track does the Metroliner leave from?
华纽特快从第几轨道开出？
Funny, said my brother.
“真有趣，”我弟弟说。