Pma.
[医] 龈炎发病率(P为乳头,M为龈缘,A为龈附丽)
🗣️ 情景例句
Let's share the money fifty-fifty.
我们平分这笔钱吧。
Dorothy felt refreshed after her nap.
多罗茜一觉醒来，觉得精神一爽。
The man opened it.
楼上人打开门。