Wavebands
n. （无线电的）波段( waveband的复数形式 )
🗣️ 情景例句
It's no use crying over spilt milk. What's done cannot be undone.
覆水难收。
It is not the gay coat that makes the gentleman.
君子在德不在衣。
About a third of the people who had been chained up below at the beginning of the journey were missing.
旅程开始时拴在下边的人大约有三分之一已经不见了。