Because of the loss of the hearing, the students with the hearing handicap usually communicate with each other by lipreading and sign language. 聽(tīng)覺(jué)是人的主要感覺(jué)通道，聽(tīng)覺(jué)障礙學(xué)生因聽(tīng)力損失，更多以眼代耳，通過(guò)唇讀和使用手語(yǔ)來(lái)進(jìn)行語(yǔ)言交流。
The main symptoms of osteochondroma of the mandibular condyle are facial asymmetry, disturbed occlusion, painful mastication and impaired hearing on the affected side. 下顎髁突骨軟骨瘤主要會(huì )產(chǎn)生顏面不對稱(chēng)，咬合異變，咀嚼疼痛與聽(tīng)覺(jué)障礙。
