单词：biauricular 

形容词

• 
  [1.a.biauricular] (同义词:[biauricular( adj. [解](有)双耳的, (有)双心耳的 )]  )
• 
  注释列句：relating to the two auditory openings; "the biauricular diameter of the skull"
• 属于名词 -> [auricular( n. 耳的, 耳状的 )]