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Statistics from Shanghai municipal health department show that 20 percent of the patients suffering deafness are young people who often talk or listen to music through earphones for long time, the Shanghai Morning Post reported.
据《上海新闻晨报》报道，上海市卫生部门发布的数据显示，在耳聋患者中，有20%的是长时间用耳机通话或听音乐的年轻人。
Tests show that a passing-by subway train can produce a noise of 100 decibels. If someone is happening to be talking through earphones, the sound gets to his ears can amount to 120 decibels or more. He could not hear anything the moment he stopped talking.
测试显示，地铁列车通过时产生的噪音达100分贝，如此时有人正好在用耳机通话，入耳的声音就会达到120分贝以上。在停止通话的一瞬间往往会感觉不到周边的声音。
To avoid hearing damage, experts advise people take off earphones after one-hour wearing, and have a rest for at least ten minutes.
为避免听力受损，专家建议人们每戴一小时耳机就将其取下来，并休息至少10分钟。
