Prodentin
前牙质, 前齿质
🗣️ 情景例句
I like playing basketball and badminton.
我喜欢打篮球和羽毛球。
Drunken days have all their tomorrows.
今日花天酒地，明日潦倒穷途。
Near our school there is a shop.
我们学校附近有一个商店。