Gingivopericementitis
[醫] 齦牙骨質周炎, 牙周炎
??? 情景例句
Do you like the dress?
你喜歡這套衣服嗎
The world is a ladder for some to go up and some down.
人間猶如一架梯，有人緣梯上升，有人順梯下降。
Good idea! Shall we ask Jim?
好主意！要邀請吉姆嗎？