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单词 decibel
释义

decibel

noun
/ˈdesɪbel/
/ˈdesɪbel/
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  1. a unit for measuring how loud a sound is
    • Noise from the disco reached 110 decibels.
    • Gary’s voice rose several decibels as he finally lost patience with them.
    Word Originearly 20th cent.: from deci- ‘ten’ + bel (the unit being one tenth of a bel).
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更新时间:2024/9/20 8:47:54