| 释义 |
噪声污染zàoshēng wūrǎn干扰人们休息、学习和工作的声音所造成的污染,多由机械振动或流体运动引起。安静环境中,约30分贝的声音就是噪声,超过50分贝,会影响睡眠和休息,90分贝以上,会损伤人的听觉,影响工作效率,严重的可致耳聋或诱发其他疾病。{noise pollution; pollution caused by noises that disturb people's rest, study and work, mostly arising from mechanical vibration or the flow of a liquid. In a quiet environment, a sound of about 30 decibels is regarded as a noise. A noise exceeding 50 decibels affects sleep and rest. A noise exceeding 90 decibels hurts people's sense of hearing and affects work efficiency, or even causes deafness or other diseases.} |