| 释义 |
前臼齿qiánjiùchǐ位置在犬齿的后面、臼齿的前面的牙齿,人类的前臼齿上下颌各四个,齿冠的咀嚼面上有两个或三个突起,适于磨碎食物。{premolar teeth; teeth behind the canine teeth and before the molars; humans have four such teeth on the upper and lower jaws respectively, with two or three protuberances on the mastication surface of its corona, which are suitable for grinding food} |