Peridentitis
[医] 牙周炎
🗣️ 情景例句
Good morning, Mom.
早安 ，妈妈。
There's many a good tune played on an old fiddle.
老当益壮。
Sure enough, Rastus arrived punctually at seven o'clock that evening.
果然，当天晚上7点正，拉斯特斯准时回来了。