Pma.
[医] 龈炎发病率(P为乳头,M为龈缘,A为龈附丽)
🗣️ 情景例句
Harry and Michelle can watch Max sleeping.
Harry和Michelle可以去看Max在睡觉。
The only cure for grief is action.
行动是对悲痛唯一的治疗。
What's your trouble?
你哪儿不舒服？