C2 noun #137,391 最常用

sone

UK /səʊn/ | US /səʊn/

(acoustics) a subjective unit of loudness for an average listener equal to the loudness of a 1000-hertz sound that has an intensity 40 decibels above the listener's own threshold of hearing

sone 30秒了解

  • (noun) (acoustics) a subjective unit of loudness for an average listener equal to the loudness of a 1000-hertz sound that has an intensity 40 decibels above the listener's own threshold of hearing

Meanings

  1. 1
    noun (acoustics) a subjective unit of loudness for an average listener equal to the loudness of a 1000-hertz sound that has an intensity 40 decibels above the listener's own threshold of hearing
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