Pma.
[医] 龈炎发病率(P为乳头,M为龈缘,A为龈附丽)
🗣️ 情景例句
Richard tells me you're a doctor.
Richard告诉我您是医生。
Who is the auther of this essay?
谁是这论文的作者？
It was a cold spring morning in the city of London in England.
英国伦敦，一个寒冷的春天的早晨。