Predentin
前期牙(本)质, 原牙质
🗣️ 情景例句
What ever will be, will be.
该怎样，就会怎样。
Sorry, I'm engaged.
对不起，我有约在先了。
As if this were not enough to reduce you to tears, your husband arrives, unexpectedly bringing three guests to dinner.
好像这一切还不足以使你急得掉泪，你的丈夫接着回来了，事先没打招呼就带来3个客人吃饭。