单词：premolars
(premolar 的复数) n. 前臼齿
[医] 前磨牙, 双尖牙, 磨牙前的
[医] 前磨牙, 双尖牙, 磨牙前的
plural of premolar
n. a tooth having two cusps or points; located between the incisors and the molars
n. a tooth having two cusps or points; located between the incisors and the molars
premolars的用法和样例：
例句
- 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。
- Perhaps that's because the premolars were doing all the hard work, he suggests.他建议道，也许那是因为前磨牙做着所有艰辛的工作。