Pretersonics
[电] 高于500百万赫频率的声纳波
🗣️ 情景例句
Unless in uniform, he doesn't look like a policeman.
除非穿上制服，要不他看起来不像警察。
The restaurant is a mile from the hotel.
那餐厅在饭店过去约有一英里。
It was kind of exciting.
有点剌激。