Wavebands
n. （无线电的）波段( waveband的复数形式 )
🗣️ 情景例句
Find a productive hobby, and see if you can learn something.
找一个具有意义的爱好，看你能否从中学到什么。
Parents usually put a small red paper packet under their child's pillow.
父母常常会在孩子枕头下放一个小红包。
not as description or reminiscence.
不要靠描述和印象去感觉。