primary dentin

• [医] 初生牙[本]质

primary dentin的用法和样例：

例句

1. The primary site of ozone attack on the cell is the plasmalemma.
   臭氧在细胞上侵蚀的初始部位就是质膜。
2. Forsteritic olivine almost invariably represents primary precipitate material.
   镁质橄榄石几乎总是代表了原生沉淀物。