epiglottis [ˌepɪˈglɑ:tɪs]

例句:

• Glottis epiglottis plays the role of the protective cover.
  会厌起着声门的保护盖作用.
  
• During the infection, the epiglottis rapidly swells, blocking the passage of air into the lungs.
  来自BBC
• Epiglottitis is an acute infection of the epiglottis, which is a flap of cartilage in the throat at the entrance to the larynx.
  来自BBC
• When you swallow, your voice box rises and your epiglottis forms a lid over its opening.
  来自BBC