Pma.
[医] 龈炎发病率(P为乳头,M为龈缘,A为龈附丽)
🗣️ 情景例句
The bright young man can get ahead quickly in the tourist industry.
这位聪明的年轻人在旅游世界很快获得成功。
I understand completely.
我完全明白。
What are you talking about?
你在说什么？