正常的听力是20分贝以上，早点关注好一些，可以保护你剩余的听力，也避免影响生活和工作，造成一些不必要的误会
I am afraid to lose, I fear this time, and I love it but memories. I could not forget the sweat on the pitch with the sway of the brothers, forget accompany me cry close friend, and forget the bright Star of that everynight, and those words have touched me deeply.
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