a tooth having two cusps or points; located between the incisors and the molars
同义词:bicuspid
premolar详细解释
pre.mo.lar n.(名词)One of eight bicuspid teeth located in pairs on each side of the upper and lower jaws behind the canines and in front of the molars.前臼齿:位于臼齿之前大齿之后上下颚两边的八颗成对的前臼齿 【引伸】 premo.lar adj.(形容词)