db decibels
db分贝
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Modern life is noisy. We measure just how noisy it is in decibels (dB).
现代生活充斥着喧闹杂音。我们用分贝来计算音量。
youdao
All personal music players and mobile phones sold in the EU must now have a sound limit of 85 decibels (dB), but users can increase it to 100dB.
BBC: Fears that music volume limits 'could be ignored'
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