英语释义
1. a bony and cartilaginous tube connecting the middle ear with the nasopharynx and equalizing air pressure on both sides of the tympanic membrane — called also auditory tube — see ear illustration
2. a bony and cartilaginous tube connecting the middle ear with the nasopharynx and equalizing air pressure on both sides of the tympanic membrane — called also auditory tube, pharyngotympanic tube