premolar tooth

• 前臼齿

premolar tooth的用法和样例：

例句

1. But Longgupo also yielded a mystery jaw fragment, including the fourth premolar and the first molar.
   但龙骨坡还发现了一件神秘的下颌残片，包括第四前臼齿和第一臼齿。
2. Standardized maxillary premolar crowns were fabricated with five different alloys and one Zircoina ceramic.
   另将五种合金与二氧化锆制作标准上颚骨前臼齿牙冠。