Predentin
前期牙(本)质, 原牙质
🗣️ 情景例句
Yes, Tom sure knows how to throw a party.
是的，汤姆的确是搞派对的能手。
He recommended me for the post of principal.
他推荐我担任校长。
I guessed, extremely old.
我猜测是极古老的东西。