任何响亮的声音或持续不断的噪音都会伤害我们脆弱的听觉系统，包括通过耳塞传出的音乐也会。
But any loud or continuous noise can damage delicate ear structures, including music piped in through ear buds.
通常失去语言能力的人，简称听障人士，皆因听觉系统或发音系统发生障碍造成。
Usually, hearing system or vocal organs occurring obstacle cause all the people who lose his speaking ability, called for short hearing handicap.
通常失去语言能力的人，简称听障人士，皆因听觉系统或发音系统发生障碍造成。
Usually, hearing system or vocal organs occurring obstacle cause all the people who lose his speaking ability, called for short hearing handicap.
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