柯林斯詞典decibel /?d?s??b?l/ (decibels) 1. N-COUNT A decibel is a unit of measurement which is used to indicate how loud a sound is. 分貝 Continuous exposure to sound above 80 decibels could be harmful. 持續(xù)曝露於超過(guò)80分貝的聲音可能有害。 返回 decibel劍橋詞典a unit for measuring the loudness of sound 分貝（衡量聲音強(qiáng)度的單位） The typical lawn mower makes about 90 decibels of noise . 普通割草機(jī)産生的噪音約爲(wèi)90分貝。 返回 decibel