To hear your tunes, you might turn the music up to 110, a level that is safe only for thirty minutes.
为了听见耳机里的音乐，你也许会把音量调高到110分贝，但这种高分贝音量持续30分钟以上就不安全了。
To hear your tunes, you might turn the music up to 110, a level that is safe only for thirty minutes.
为了听见耳机里的音乐，你也许会把音量调高到110分贝，但这种高分贝音量持续30分钟以上就不安全了。
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