Dentinoblast
[医] 成牙[本]质细胞
🗣️ 情景例句
You work hard on all your committees,
而你总是在各种委员会里忙，
A man cannot serve two masters.
一仆不能事二主。
Take a deep breath and I'll time you. But don't drown!
深吸一口气，我来给你计时。但别淹着！