Ulitis
龈炎
🗣️ 情景例句
He really likes to play the field.
他不喜欢做出承诺。
Ouch! I fell down and cut my knee!
好痛呦！我跌倒割伤了膝盖！
At the moment in my country there are very few such schools.
目前在我国这类学校太少了。