Predentin
前期牙(本)质, 原牙质
🗣️ 情景例句
can be picked up at the Riverdale Press offices.
可以到Riverdale Press各办事处索取。
English has become an international language.
英语已经成为一门国际语言。
His looks are always funny.
他的样子总是滑稽可笑。