前臼齿的英文

premolar; premolar teeth

• 乳前臼齿:    dp
• 阻生前臼齿:    impacted premolars
• 前臼齿发育不良:    premolar aplasia

例句与用法

1. They studied about 80 , 000 fossils , predominately molars and premolars , to reveal when 132 different species of small rodents first arose ? and when the animals disappeared
   他们研究了大约8万块化石.大多是臼齿和前臼齿的,以探明132个小型啮齿目物种何时产生又何时消亡