汉英词典
Chinese-English Dictionary
MEANING OF 前臼齒
前臼齒 (前臼齿)
premolar tooth (immediately behind canine teeth in some mammals)
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。
qián jiù 齿 () chǐ
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