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单词 sone
释义 sone
 /sohn/,  n.  
 a unit for measuring the loudness of sound, equal to the loudness of a sound that, in the judgment of a group of listeners, is equal to that of a 1000-cycle-per-second reference sound having an intensity of 40 decibels.
 [1945-50; < L sonus SOUND1]
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更新时间:2025/1/13 16:10:53