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眼睛是心灵的窗户。耳朵呢?耳朵应该是心灵的另一扇窗户。不信,你把耳朵堵上,那感觉宛如捂上眼睛一样难受,听不见天籁之声,听不见虫鸣鸟语,听不见形形色色的音乐……人真要是听不见欢声笑语,心灵也就失聪了,人也会渐渐迟钝。如此可见,耳朵的贡献之大不言而喻。然而,你知道这方寸之地的种种玄机吗?耳朵的结构与听觉耳朵分为外耳、中耳、内耳。外耳由耳廊和外耳道组成,耳廊形似漏斗,有集音作用。外耳道是声音传入中耳的弯曲腔道,具有共鸣腔作用。
The eyes are the windows of the soul. Ears? Ears should be another window of the soul. Do not believe, you plug the ear, it feels like wiping your eyes as uncomfortable, can not hear the sounds of nature, can not hear insects and birds, can not hear all kinds of music ... ... people really can not hear the laughter, the heart will be deaf , People will gradually dull. Thus, the contribution of the ear is self-evident. However, do you know all kinds of mysteries of this place? Ear structure and auditory ear is divided into the outer ear, middle ear, inner ear. The outer ear consists of an ear canal and an external auditory canal, and the aurora resembles a funnel with a sound-collecting effect. External auditory canal is the sound of the middle ear into the curved channel, with resonant cavity effect.