1. 分贝分贝：decibel 分贝 | decibel 分贝分贝 | decibels above reference noise 超过基准噪声的分贝数

2. 分贝<电平：deceleration 减速 | decibel 分贝电平 | decimal address 十进制地址

3. (噪音)分贝：climatic change长期的气候变化 | decibel (噪音)分贝 | deforest滥伐森林

1. 分贝（表示声音强度的单位)
    A decibel is a unit of measurement which is used to indicate how loud a sound is.

decibel的近义词

    e.g. Continuous exposure to sound above 80 decibels could be harmful.
           持续暴露在强度高于80分贝的噪声中可能有害。

1. a logarithmic unit of sound intensity
    10 times the logarithm of the ratio of the sound intensity to some reference intensity

    Synonym: dB