Predentin
前期牙(本)质, 原牙质
🗣️ 情景例句
I think the skirt is just right.
我觉得长度合适。
Up to you.
随便你。
Firemen had been fighting the forest for nearly three weeks before they could get it under control.
消防队员们同那场森林大火搏斗了将近3个星期才最后把火势控制住。