Pretersonics
[电] 高于500百万赫频率的声纳波
🗣️ 情景例句
Sure. Would you please sign your name on the back, sir, with your passport number?
每问题。先生，请您在支票背后签上名字和护照号码。
A young man married is a man that's marred.
男子早婚，种下祸根。
Thank you for your advice.
谢谢你的建议。