Pericementum
n. [解]牙周膜
?? 擴展釋義
【醫(yī)】 牙周膜
??? 情景例句
OK, and go out and have a drink to congratulate ourselves.
對，再出去喝一杯以示慶祝。
Her children are a disappointment to her.
她的孩子讓她感到失望。
How's Jimmy today?
吉米今天怎么樣了？