科学家现在倾向于认为70dB以上的声音可能造成听力损害。一些科学家很担忧,因为在日常生活中,即使是在自己的家中人们也经常处于噪音度为70dB的环境中。城市一直是嘈杂喧闹的,目前噪音正波及那些几年前仍是平静的地区。 显然,有必要采取一定措施,否则噪音就会长期 Scientists now tend to think that sounds above 70 dB may cause hearing loss. Some scientists are worried because in everyday life, people are often exposed to a noise level of 70 dB even in their own homes. The city has been noisy and noisy, and noise is now affecting areas that were still calm a few years ago. Obviously, it is necessary to take certain measures, otherwise the noise will be long-term