Pretersonics
[电] 高于500百万赫频率的声纳波
🗣️ 情景例句
She's quite used to treading the catwalk.
她已经习惯了走猫步。
What shall I give him for his Easter?
我要给他什么东西作为复活节礼物？
I don't know how to express my gratitude.
我不知道怎样来表达我的感激之情。