grinding tooth

• 臼齿

grinding tooth的用法和样例：

例句

1. The doctor pulled out my cavitary tooth.
   医生把我的臼齿拔了。
2. A tooth with a broad crown used to grind food,located behind the premolars.
   臼齿一种用作研磨食物的有宽齿冠的位于前磨牙后的牙齿。