mastoid ['mæstɔɪd]

例句:

• Objective To improve clinically recognition of the eardrum - mastoid process operation.
  目的提高临床对中耳乳突手术的认识.
  
• I am afraid that a bony destruction is taking place in mastoid.
  我担心在乳突部有骨质破坏.
  
• You have suffered from acute infection of the middle ear mastoid.
  如果是中耳有细菌感染,就要使用抗生素来治疗.