Perdontoclasia
[医] 牙周溃坏
🗣️ 情景例句
My first grandchild.
我的第一个孙子。
No great loss without some small gain.
塞翁失马，安知非福。
Yes, speaking. Just a moment. Let me turn the music down. There, that's better.
是的，我就是。请稍等。让我把音量关小一点。你瞧，好多啦。