Odontogenesis imperfecta
[医] 牙生长不全
🧩 词语组成解析
牙发生
🗣️ 情景例句
Oh, you've been here before.
噢，你以前来过的。
Youth looks forward and age backward.
青年人向前看，老年人向后看。
In the evening, the children come home from school.They arrive home early.
傍晚，孩子们放学回家。他们到家很早。