Phonozenograph
声波[水声]定位器, 声波测向器
🗣️ 情景例句
My hobbies are hiking, fishing and climbing.
我的嗜好是远足、钓鱼和爬山。
As the call, so the echo.
发什么声音，有什么回声。
The wall has ears.
隔墙有耳。