a unit for measuring how loud a sound is 分贝(声音强度的单位) Noise from the disco reached 110 decibels. 迪斯科舞厅的噪音达到了110分贝。 Gary’s voice rose several decibels as he finally lost patience with them. 加里的声音提高了几个分贝,因为他终于对他们失去了耐心。
Word Originearly 20th cent.: from deci- ‘ten’ + bel (the unit being one tenth of a bel).