Ulatrophy
[医] 龈萎缩
🗣️ 情景例句
Let me know by the end of the week.
这个周末前给我回音。
Sorry to bother you, but do you have change for a one?
对不起，麻烦你，你有1元钱的零钱吗？
This is the school building.
这是学校大楼。