Periaementitis
牙周膜炎
🗣️ 情景例句
He forgave me for losing his notebook.
他原谅我遗失他的笔记本。
His confidence can be destroyed by a harsh word.
他的信念，只要受到严厉的批评就会崩溃。
Late in the afternoon, the boys put up their tent in the middle of a field.
傍晚时分，孩子们在田野中央搭起了帐篷。