总结，人们接触有害声音的次数正在不断增长，噪声污染已经对环境造成了伤害。
In conclusion, with people exposed to dangerous sound levels on the rise, noise pollution has become a common occupational and environmental hazard.
持续曝露于超过80分贝的声音可能有害。
Continuous exposure to sound above 80 decibels could be harmful.
一些专家说，如果音乐的声音太大，它可能是有害的。
Some experts say that music can be harmful if it is too loud.
火车经过的声音对人的身体健康是有害的。
The noise of a train passing by is harmful to people's health.
火车经过的声音对人的身体健康是有害的。
The noise of a train passing by is harmful to people's health.
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