Radiospectrography
无线电频谱学
🗣️ 情景例句
The guests are waiting.
客人们正等着呢。
Sometimes Henry peeps into his sister's diary.
亨利有时候会偷看他姐姐的日记。
Why don't you buy a radio? Then you can listen to China Radio International or BBC English programmes on the radio.
你为什么不买台收音机呢？那样你就能听中国国际广播电台或者BBC英语广播节目了。