premolars [premoʊ'lərz]

例句:

• Specifically, eutherians have three molars, and five premolars.
  来自BBC
• This is in contrast to metatherians characterized by four molars and three premolars.
  来自BBC
• AIM : To observe the root morphology and canal anatomy of chinese premolars.
  目的: 了解前磨牙根部解剖结构特点,为临床治疗提供参考.
  
• Objective: To investigate the morphology of physiological foramen of mandibular premolars.
  研究目的: 探讨下颌前磨牙生理性根尖孔的形态特征.
  
• Objective To investigate the root and canal morphology of extracted maxillary second premolars.
  目的观察上颌第二前磨牙的牙根及根管形态.
  
• These creatures each had enormous premolars, which in humans would be located between the canines and molars.
  来自MSN