| 释义 |
premolar
UK [ˌpri:'məʊ.lər] US [-'moʊ.lɚ] noun countable specialized
■one of the two teeth immediately in front of the molars on both sides of the upper and lower jaws of humans and some other animals, used for grinding and chewing (= crushing with the teeth) food 前臼齿（人类和其他一些动物的上下颚两侧，紧邻在臼齿前面的两个牙齿之一，用于磨碎、咀嚼食物） |