Dentinogenesis
[医] 牙[本]质生成
🗣️ 情景例句
He did it as a special favor.
他做这事算是特别照顾。
The small courtesies sweeten life; the greater ennoble it.
有点礼貌使生活愉快，多点礼貌使生活高尚。
Excuse me, Miss Yang, she said.
“请原谅，杨小姐，”她说。