Peridentitis
[医] 牙周炎
🗣️ 情景例句
What events are happening on campus?
校园里有什么事件发生？
Peace with sword in hand, 'tis safest making.
居安思危，此乃万全之策。
We waited and waited, but nothing happened.
我们等啊等啊，可情况没有变化。