Ultraphonics
超声学
🗣️ 情景例句
After a good night's sleep, I'll enjoy breakfast even more.
好好睡一觉， 明早吃早餐会更香。
He speaks with London accent.
他带点伦敦口音。
I hope that you and everybody at school are all well.
我希望你和学校里的每一个人都很好。