欧氏管 ōushìguǎn eustachian tube Definitions Defs Origin Strokes Stroke Words Sentences Sents 欧氏管 歐氏管 ōushìguǎn eustachian tube the auditory tube connecting the middle ear to the nasopharynx Cross-References Same as 耳咽管 ěryānguǎn
欧氏管 歐氏管 ōushìguǎn eustachian tube the auditory tube connecting the middle ear to the nasopharynx Cross-References Same as 耳咽管 ěryānguǎn