Periodontoclasia
齒骨膜崩解
?? 擴(kuò)展釋義
【醫(yī)】 牙周潰壞
??? 情景例句
We're not?
不在這里？
How long have you lived here?
你住在這里多久了？
Why don't you come a little earlier? About a quarter to.OK?
45分左右來，好嗎？