Dentiphone
[医] 牙助听器
🏥 医学释义
牙助听器，聋者听牙声器
🗣️ 情景例句
What works?
什么有效！
He has left already .
他已经离开了。
No, thanks. It's big, but it isn't heavy. It's light.
不用了，谢谢，是大盒子，但不重。很轻。